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0:00:06 > 0:00:10- My name is Dr Iestyn Jones. Some - of you might know me as an actor.
0:00:10 > 0:00:14- I'm passionate - about archaeology and history...
0:00:14 > 0:00:17- ..which has led me - to obtain a doctorate in the field.
0:00:18 > 0:00:22- For more than 10 years, I've worked - as a professional archaeologist.
0:00:22 > 0:00:27- Throughout this series, I'll visit - sites up and down the country...
0:00:27 > 0:00:32- ..that have never been excavated - before to uncover Wales' history.
0:00:34 > 0:00:38- Welcome back - to Twmpath y Felin Wynt in Kenfig.
0:00:38 > 0:00:42- Despite our hard work, there's - still lots to do. Come with me.
0:00:42 > 0:00:48- We're in Kenfig, situated halfway - between Porthcawl and Swansea...
0:00:48 > 0:00:52- ..at a site which is a mere's - stone's throw away from the M4...
0:00:52 > 0:00:55- ..and hiding among the sand dunes.
0:00:55 > 0:00:57- It is, in fact, beneath the dunes.
0:00:57 > 0:01:00- The area has been defined - by its sand dunes...
0:01:01 > 0:01:05- ..which swept in to destroy it - centuries ago in a natural disaster.
0:01:05 > 0:01:10- A group of volunteers from Kenfig - Archaeological Trust has joined us.
0:01:10 > 0:01:14- This is the largest excavation site - of the series.
0:01:20 > 0:01:23- Three trenches are exposed - on Twmpath y Felin Wynt.
0:01:23 > 0:01:28- Each one poses a unique challenge - to our assigned teams.
0:01:28 > 0:01:31- Our biggest obstacle is the sand.
0:01:34 > 0:01:39- There are metres of sand hiding - beneath a thin layer of topsoil.
0:01:39 > 0:01:43- After removing tonnes of sand - mechanically and by hand...
0:01:43 > 0:01:47- ..we came across - the natural earth...
0:01:47 > 0:01:51- ..that would've been the original - surface before the sand swept in...
0:01:51 > 0:01:55- ..and completely engulfed it - for centuries.
0:02:01 > 0:02:05- We're midway through the week - and everything's going very well.
0:02:06 > 0:02:11- We're able to see the bank - very clearly in that trench there...
0:02:11 > 0:02:13- ..where we've dug a transection.
0:02:14 > 0:02:16- The dyke is visible, which is great.
0:02:16 > 0:02:20- We need to remove much more - to see the ditch too.
0:02:20 > 0:02:23- This trench was dug - late yesterday afternoon.
0:02:23 > 0:02:29- It's slightly baffling but there are - the remains of something there.
0:02:29 > 0:02:32- Over here, we're looking at...
0:02:34 > 0:02:36- ..what might possibly be - a windmill...
0:02:37 > 0:02:41- ..since this site is called - Twmpath y Felin Wynt (windmill).
0:02:42 > 0:02:46- There's still a lot of cleaning work - to be done to verify its age.
0:02:47 > 0:02:49- The weather's on our side so far...
0:02:49 > 0:02:54- ..but we still have an enormous - amount of work on our hands.
0:02:55 > 0:02:59- Having spoken to a group of locals, - who regularly visit the site...
0:03:00 > 0:03:04- ..this area of land - is called Twmpath y Felin Wynt...
0:03:04 > 0:03:08- ..so its name - certainly has a derivation.
0:03:08 > 0:03:11- It's an explanation - for this circular building.
0:03:14 > 0:03:20- We've opened up more of the site...
0:03:20 > 0:03:24- ..and this morning - we've dug down to natural earth...
0:03:24 > 0:03:28- ..which would've been - the original floor beneath the sand.
0:03:29 > 0:03:32- The difficulty now...
0:03:33 > 0:03:36- ..is to move even more - in order to get a clearer view.
0:03:36 > 0:03:40- Many people - come here on a daily basis.
0:03:40 > 0:03:43- Their point of reference - is a picture...
0:03:43 > 0:03:49- ..of the north-western portion - of this site...
0:03:49 > 0:03:51- ..in the direction of Margam.
0:03:52 > 0:03:57- A picture exists of a chapel - in the surrounding woodland...
0:03:57 > 0:04:02- ..next door to the abbey, featuring - a wooden windmill in the background.
0:04:02 > 0:04:06- They claim the picture - is from the 16th century.
0:04:06 > 0:04:11- It suggests that the stuff - we've discovered so far...
0:04:12 > 0:04:15- ..on top of the sand...
0:04:15 > 0:04:18- ..is either rubble - that has caved in...
0:04:18 > 0:04:22- ..or something they've used to - prop up or to reinforce a building.
0:04:23 > 0:04:27- I think we're closer - to saying it's a windmill...
0:04:28 > 0:04:31- ..without wishing to sound - like I'm waffling.
0:04:31 > 0:04:34- According to some of the locals...
0:04:35 > 0:04:38- ..it's also the site of the - lost castle of Iestyn ap Gwrgant...
0:04:39 > 0:04:41- ..the last ruler of Morgannwg.
0:04:41 > 0:04:44- But the geophys survey - shows no indication of this.
0:04:44 > 0:04:47- The far end of the site - still remains a mystery.
0:04:48 > 0:04:51- It shows signs of a fire - or a collapsed wall.
0:04:51 > 0:04:54- Since we're inundated - with volunteers...
0:04:54 > 0:04:58- ..I'm going to let them dig their - own trench under supervision...
0:04:58 > 0:05:03- ..to try and find a missing part - of their locality's history.
0:05:03 > 0:05:06- They must dig by hand - to see how deep they need to go...
0:05:07 > 0:05:09- ..before finding any stone.
0:05:09 > 0:05:14- In the meantime, I've been cleaning - the newly-excavated trench.
0:05:14 > 0:05:16- It's proving interesting.
0:05:16 > 0:05:19- There might well be - ancient remains here...
0:05:20 > 0:05:24- ..that date back to the Iron Age, - 500 years before Christ.
0:05:24 > 0:05:26- Here we are in trench number one.
0:05:27 > 0:05:29- Rhys was working in here yesterday.
0:05:29 > 0:05:35- If you remember, we found traces of - charcoal at the side of the trench.
0:05:35 > 0:05:40- We've extended out that way - and this is clear to see now.
0:05:40 > 0:05:45- It doesn't look as if - it spreads out. It's localised here.
0:05:45 > 0:05:49- It's possible - that it might be a hearth.
0:05:49 > 0:05:53- It's certainly a place - where burning has taken place.
0:05:53 > 0:05:58- We're unsure at the moment but it'll - become clearer once it's cleaned.
0:05:59 > 0:06:03- Over here there are - many slingshots to be seen.
0:06:04 > 0:06:07- Though it requires - further excavation...
0:06:07 > 0:06:10- ..these are very interesting.
0:06:10 > 0:06:15- Usually, - they belong to the Iron Age.
0:06:15 > 0:06:19- They were thrown at people - who tried to attack the site.
0:06:19 > 0:06:25- They're usually found - near a ditch, a dyke or an entrance.
0:06:25 > 0:06:28- We're not very far - from an entrance here.
0:06:28 > 0:06:31- The ditch would be - the other side of the dyke.
0:06:31 > 0:06:33- This is very interesting.
0:06:33 > 0:06:37- It hasn't come - as a complete surprise to me.
0:06:37 > 0:06:41- Looking at the aerial photograph - taken in 1946...
0:06:41 > 0:06:45- ..an outline of a defensive ditch - surrounding the hill-fort...
0:06:45 > 0:06:48- ..can be seen - right where I'm standing.
0:06:48 > 0:06:51- This isn't - the only hill-fort in the area.
0:06:52 > 0:06:54- Above the uplands in this area...
0:06:54 > 0:06:58- ..and far from any modern roads - is an incredible site...
0:06:58 > 0:07:01- ..which hasn't changed in centuries.
0:07:13 > 0:07:18- We're here in the hill-fort, - or enclosed site, of Ton-Mawr...
0:07:18 > 0:07:20- ..high above our site in Kenfig.
0:07:21 > 0:07:25- It's very interesting because - although it's a hill-fort...
0:07:25 > 0:07:29- ..and possibly from the same era - as Twmpath y Felin Wynt...
0:07:29 > 0:07:32- ..there are corners - to these ditches.
0:07:32 > 0:07:37- There's also an internal dyke - and ditch within an external dyke.
0:07:37 > 0:07:40- Although we're - in an elevated position here...
0:07:40 > 0:07:43- ..it's a prominent site - from the sky.
0:07:43 > 0:07:47- But it's not possible - to see our site from here.
0:07:47 > 0:07:51- We have a lovely view of the sea - beyond the Gower peninsula.
0:07:51 > 0:07:54- It's visible yet invisible.
0:07:54 > 0:07:58- It's concealed up here, - which is quite remarkable.
0:07:58 > 0:08:03- I think I'd better get back - to excavating Twmpath y Felin Wynt.
0:08:05 > 0:08:08- These uplands - were home to the Siluries...
0:08:08 > 0:08:10- ..for many years - during the Iron Age.
0:08:11 > 0:08:15- They were also home to the Welsh - until the Normans invaded.
0:08:15 > 0:08:20- Historical documents refer to them - as the wild Welsh of the uplands.
0:08:21 > 0:08:25- From the air, we can see several - examples of mighty strongholds.
0:08:25 > 0:08:29- To the north of this site - is Blaen Y Cwm hill-fort.
0:08:29 > 0:08:35- Further up, Caer Y Bwlwarcau - is still visible from the air.
0:08:35 > 0:08:39- Further to the south - is Mynydd Y Castell hill-fort...
0:08:39 > 0:08:42- ..dominating - Margam Castle and Park.
0:08:42 > 0:08:46- Caer Hanner Lleuad - is situated closely nearby.
0:08:46 > 0:08:50- To the northeast of our site - is Pen Y Castell hill-fort.
0:08:51 > 0:08:55- Within a few square miles, there are - seven powerful hill-forts...
0:08:56 > 0:08:58- ..overlooking the lowlands.
0:09:01 > 0:09:05- It's a privilege excavating - in one of these defensive ditches...
0:09:05 > 0:09:07- ..surrounding our hill-fort.
0:09:10 > 0:09:15- We've dug down further and - it's very dark on the bottom here.
0:09:15 > 0:09:18- The earth looks wet on either side.
0:09:20 > 0:09:25- This must be the ditch since there's - a marked difference in colour.
0:09:25 > 0:09:30- As far as I know, there is - no archaeological evidence...
0:09:30 > 0:09:34- ..of sand sweeping into the area - on more than one occasion...
0:09:34 > 0:09:38- ..although historical sources - suggest otherwise.
0:09:38 > 0:09:41- People have written - about these events.
0:09:41 > 0:09:44- You can see - from the cross-section...
0:09:45 > 0:09:47- ..at the end of the ditch...
0:09:47 > 0:09:51- ..that an influx of sand - occurred at least twice.
0:09:51 > 0:09:55- It might've swept in - later than the Iron Age...
0:09:56 > 0:09:59- ..which would make it easier to see.
0:09:59 > 0:10:04- We know that - people lived here in the Iron Age.
0:10:04 > 0:10:08- We also know - there was a windmill here.
0:10:08 > 0:10:10- It'll become clearer later.
0:10:10 > 0:10:14- It's great that we're seeing - a ditch here for the first time.
0:10:15 > 0:10:20- We'll have to remove this by hand - with a shovel instead of a digger...
0:10:21 > 0:10:25- ..or we might lose vital evidence, - so we must be very careful.
0:10:25 > 0:10:29- While the team - gets on with the digging...
0:10:29 > 0:10:31- ..join us in Part 2 - to see the results.
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0:10:46 > 0:10:49- We've reached the bottom, the floor, - in this trench.
0:10:49 > 0:10:53- This is - the natural earth, which is solid.
0:10:54 > 0:10:58- We failed - to get our trowels through it.
0:10:58 > 0:11:02- We've found three sides...
0:11:03 > 0:11:06- ..to this enormous hole - in the shape of a circle.
0:11:07 > 0:11:12- It appears to be - some kind of hole...
0:11:12 > 0:11:15- ..for the construction - of a windmill.
0:11:15 > 0:11:17- The next question is...
0:11:17 > 0:11:20- ..how do you build a windmill - in the 16th century?
0:11:21 > 0:11:25- But it looks like - the men who worked on this...
0:11:25 > 0:11:30- ..would've had to have gone through - this natural earth, and it's solid.
0:11:30 > 0:11:34- Even with a mattock, - all you're doing is creating dust.
0:11:34 > 0:11:38- Just imagine the work involved...
0:11:38 > 0:11:42- ..in digging that hole.
0:11:42 > 0:11:45- It would've been hard graft.
0:11:45 > 0:11:48- In terms of its archaeology...
0:11:48 > 0:11:52- ..when you hit the stone, - you know you've reached the side.
0:11:52 > 0:11:54- We're fairly happy.
0:11:55 > 0:11:59- We've an enormous circle with walls - carved into the original earth.
0:11:59 > 0:12:02- The best suggestion I can offer...
0:12:02 > 0:12:05- ..is that these are - the foundations for a windmill.
0:12:05 > 0:12:08- Thanks to Rhys and Jerry's effort..
0:12:08 > 0:12:10- ..one section of the site - is much clearer.
0:12:11 > 0:12:15- It might've resembled this - - a windmill from the 15th century.
0:12:16 > 0:12:19- At the other end of the site, - things aren't so clear.
0:12:19 > 0:12:24- The volunteers are searching for - Iestyn ap Gwrgant's lost castle...
0:12:24 > 0:12:28- ..which, according to one source, - is somewhere here.
0:12:28 > 0:12:30- The sand - is causing problems yet again.
0:12:31 > 0:12:34- Colin and his digger - are drafted in to dig deeper.
0:12:35 > 0:12:38- It's possible to see - the sheer depth of the sand here.
0:12:39 > 0:12:42- It obviously swept in - over a long period of time...
0:12:42 > 0:12:44- ..to bury whatever was here.
0:12:46 > 0:12:50- Meanwhile, - I'm still in the Iron Age trench.
0:12:55 > 0:12:59- Keith has just cleaned - the side of the ditch over here...
0:12:59 > 0:13:03- ..to reveal - an interesting transection.
0:13:03 > 0:13:07- But it's drying rapidly, so I'll - quickly explain before it vanishes.
0:13:08 > 0:13:12- The vegetation is at the top, - beneath which is sand.
0:13:12 > 0:13:14- It's more noticeable here.
0:13:15 > 0:13:18- This is sandy earth.
0:13:18 > 0:13:23- It's possible that this was - the surface of the soil at one time.
0:13:23 > 0:13:26- It's fairly consistent - along here...
0:13:26 > 0:13:30- ..above the earth, which takes us - back to a much earlier time.
0:13:31 > 0:13:33- But as we move across here...
0:13:34 > 0:13:39- ..it's possible - to see the level falling, rising...
0:13:39 > 0:13:41- ..and falling again.
0:13:41 > 0:13:45- That could be - because people ploughed the land.
0:13:46 > 0:13:51- Perhaps that's why we have - this wave effect in the soil...
0:13:51 > 0:13:54- ..as though someone - was ploughing the land.
0:13:54 > 0:13:59- In 1993, archaeologists - from the Kenfig Society...
0:13:59 > 0:14:03- ..excavated a site in the sand dunes - on the other side of the M4...
0:14:03 > 0:14:05- ..close to the Norman castle.
0:14:05 > 0:14:08- They uncovered a sequence - of lines in the earth...
0:14:09 > 0:14:11- ..with a hollow either side.
0:14:11 > 0:14:13- The land had been ploughed...
0:14:13 > 0:14:16- ..and showed the effects - of the sand sweeping in.
0:14:16 > 0:14:19- These lines are 18 inches apart.
0:14:19 > 0:14:22- I've recently measured - those from our site...
0:14:22 > 0:14:25- ..and they too are 18 inches apart.
0:14:25 > 0:14:28- Did the same medieval farmer - farm these two sites?
0:14:28 > 0:14:33- We've found evidence to suggest this - site dates back to the Iron Age...
0:14:33 > 0:14:36- ..or at least - some time around that era.
0:14:36 > 0:14:40- Professor Ray Howell - from South Wales University...
0:14:40 > 0:14:44- ..who joined us at Llandre - is back with us.
0:14:44 > 0:14:48- Everyone knows that Kenfig is - associated with the Middle Ages...
0:14:49 > 0:14:51- ..following excavations - in the dunes.
0:14:52 > 0:14:55- Is it surprising - to find something from the Iron Age?
0:14:56 > 0:14:59- Yes, it's both surprising - and significant.
0:14:59 > 0:15:04- I think it was a great idea - to come and dig here.
0:15:04 > 0:15:08- Throughout the day today...
0:15:08 > 0:15:11- ..locals have flocked to the area.
0:15:11 > 0:15:13- Each one of them...
0:15:14 > 0:15:18- ..knew this was a medieval site.
0:15:18 > 0:15:22- They remembered - the Time Team excavating here...
0:15:23 > 0:15:25- ..and finding medieval remains.
0:15:25 > 0:15:29- But to uncover something - from the Iron Age is superb.
0:15:29 > 0:15:33- As you know, I have - a great interest in the Iron Age.
0:15:33 > 0:15:38- In Wales, - we certainly need to find out more.
0:15:38 > 0:15:42- Something like this is a big help. - It's great.
0:15:42 > 0:15:45- You're an expert on the Siluries...
0:15:45 > 0:15:48- ..and you've - written a book about them.
0:15:48 > 0:15:50- Tell me briefly who they were...
0:15:50 > 0:15:55- ..and if you believe this site - was within Silurian territory.
0:15:57 > 0:16:03- The Siluries were an Iron Age - tribe from southeast Wales.
0:16:05 > 0:16:08- They caused a lot of trouble - for the Romans.
0:16:10 > 0:16:14- They fought for 25 years.
0:16:15 > 0:16:18- It was a turbulent time, wasn't it?
0:16:18 > 0:16:20- Yes.
0:16:21 > 0:16:23- We're not certain - of the boundaries...
0:16:24 > 0:16:28- ..but people say it was from - the River Wye to the River Tawe...
0:16:28 > 0:16:31- ..but I think it's safe to say...
0:16:31 > 0:16:35- ..this site was within the Siluries' - territory and was a Silurian site.
0:16:36 > 0:16:41- We must remember that while we're - searching for historical proof...
0:16:41 > 0:16:45- ..we're also excavating a site - that was inhabited.
0:16:45 > 0:16:47- These were people's homes.
0:16:47 > 0:16:51- The Siluries - were supporting their families...
0:16:51 > 0:16:55- ..when the Romans reached - what is now South Wales.
0:16:55 > 0:16:58- It was - a ferocious period of history.
0:16:58 > 0:17:03- The slingshots found in this trench - are testament to that era.
0:17:04 > 0:17:08- A few things have emerged - while I've been designing.
0:17:08 > 0:17:10- It's often the case.
0:17:10 > 0:17:13- We sometimes take a closer look...
0:17:13 > 0:17:17- ..at things that have - never been studied before.
0:17:17 > 0:17:22- Having cleared away - the sand for this stone...
0:17:23 > 0:17:27- ..I've found a piece of wood - that looks as if it's been burnt.
0:17:27 > 0:17:30- I can even see the woodgrain.
0:17:30 > 0:17:33- This is incredibly interesting.
0:17:33 > 0:17:37- This could be a piece of wood used - to light a fire in the Iron Age...
0:17:37 > 0:17:39- ..more than 2,000 years ago.
0:17:40 > 0:17:45- The next step is to carefully remove - this piece of wood...
0:17:45 > 0:17:48- ..seal it in a bag - and make a record of it.
0:17:49 > 0:17:52- It will then be sent - to the laboratory...
0:17:52 > 0:17:55- ..where the men in white coats - will date the wood...
0:17:55 > 0:18:00- ..decipher the type of wood it is - and when it would've been burnt.
0:18:01 > 0:18:03- At the other end - of the same trench...
0:18:03 > 0:18:06- ..Erika and Keith - have unearthed a posthole.
0:18:07 > 0:18:10- Thick wood would've originally - been placed in the hole...
0:18:11 > 0:18:14- ..and filled with earth and stone...
0:18:14 > 0:18:17- ..to create the foundations - for a roundhouse...
0:18:18 > 0:18:20- ..at the top of this hill-fort.
0:18:20 > 0:18:22- Every find must be recorded...
0:18:23 > 0:18:26- ..as well as the changes - in the earth's colour.
0:18:26 > 0:18:30- Believe it or not, - there are dozens of browns!
0:18:30 > 0:18:33- Looking around me...
0:18:34 > 0:18:37- ..excitement - has taken hold of the place.
0:18:38 > 0:18:41- Families are interested - in the site's archaeology.
0:18:42 > 0:18:45- When the sand swept in, the - people who lived and farmed here...
0:18:46 > 0:18:49- ..had to flee...
0:18:49 > 0:18:51- ..and move away.
0:18:51 > 0:18:56- The sand has killed the site - and killed the area.
0:18:56 > 0:18:59- It buried it for centuries.
0:19:01 > 0:19:05- At the furthest end of the site, - the sand is too deep.
0:19:05 > 0:19:07- Excavation has to cease.
0:19:07 > 0:19:10- Our aim was to - encourage the community...
0:19:10 > 0:19:15- ..to come here to dig - and discover the area's history...
0:19:15 > 0:19:17- ..their area, of course.
0:19:18 > 0:19:21- What we've found - is incredibly interesting.
0:19:21 > 0:19:27- The profile of this land - is unnaturally steep.
0:19:28 > 0:19:32- It's too dangerous - to dig further down.
0:19:32 > 0:19:35- Fragments of pottery have emerged.
0:19:35 > 0:19:38- Black pottery that - may well come from the Iron Age.
0:19:39 > 0:19:43- One fragment looks Roman but we - need an expert's opinion on that.
0:19:44 > 0:19:47- We've also found the bones - of what might be pigs.
0:19:48 > 0:19:51- Something certainly went on here.
0:19:51 > 0:19:53- This is a much bigger project.
0:19:53 > 0:19:56- Further excavation - is required in future.
0:19:57 > 0:19:59- The local community can see to that.
0:20:06 > 0:20:08- I hope you're not lazing about.
0:20:08 > 0:20:09- I hope you're not lazing about.- - I'm having a cuppa.
0:20:10 > 0:20:13- The best way - of getting to know someone...
0:20:13 > 0:20:16- ..is when you're - digging in a trench together.
0:20:17 > 0:20:20- We haven't had - the opportunity to do that.
0:20:20 > 0:20:22- I know Jerry well!
0:20:22 > 0:20:25- We've both been working - in different holes.
0:20:26 > 0:20:28- How is everything going?
0:20:28 > 0:20:33- What we have here - are the foundations of a windmill...
0:20:33 > 0:20:36- ..if we accept - that a windmill stood here.
0:20:36 > 0:20:39- There are - three points in the circle...
0:20:39 > 0:20:44- ..where they've cut into - the natural land, and it's solid.
0:20:44 > 0:20:48- So they dug a big circle - and built inside it?
0:20:49 > 0:20:51- Yes, I'd say so.
0:20:52 > 0:20:54- We've run out of time yet again.
0:20:54 > 0:20:58- I'd love to spend the next year - excavating this site...
0:20:58 > 0:21:01- ..but it's not possible, - unfortunately.
0:21:02 > 0:21:06- It's hard to explain the enormity - of the task we've faced...
0:21:07 > 0:21:09- ..but it's been a successful dig.
0:21:09 > 0:21:12- Rhys worked non-stop - in this trench...
0:21:12 > 0:21:17- ..where he uncovered the foundations - of a windmill from the 16thC...
0:21:17 > 0:21:21- ..judging from the pottery fragments - that were unearthed.
0:21:22 > 0:21:27- In this enormous trench, I've never - seen a transection of this kind.
0:21:28 > 0:21:31- This clear picture is testament - to this area's history...
0:21:31 > 0:21:34- ..as sand swept in - to bury the land...
0:21:34 > 0:21:38- ..before crops - could once again be cultivated here.
0:21:38 > 0:21:42- But the sand returned - to wipe out the community forever.
0:21:43 > 0:21:47- The remains of a roundhouse - were also found.
0:21:47 > 0:21:50- A family's home - from the end of the Iron Age.
0:21:50 > 0:21:56- We're nearing the end of our time - at Twmpath y Felin Wynt...
0:21:56 > 0:21:59- ..it's been a very interesting week.
0:21:59 > 0:22:02- Seeing these trenches around me...
0:22:02 > 0:22:05- ..confirmed my suspicions - about the site...
0:22:06 > 0:22:09- ..that this was once - an Iron Age settlement.
0:22:09 > 0:22:14- We can see that people lived here - during that time.
0:22:14 > 0:22:17- It's also interesting...
0:22:17 > 0:22:21- ..that the industry which defines - this era, the iron itself...
0:22:22 > 0:22:27- ..is still associated with the area, - though it's now turned to steel.
0:22:36 > 0:22:39- We've travelled - the length and breadth of Wales...
0:22:40 > 0:22:43- ..and been very fortunate - to have excavated four sites...
0:22:44 > 0:22:47- ..that have - never been excavated before.
0:22:48 > 0:22:51- Each time a new - archaeological trench is opened...
0:22:52 > 0:22:55- ..we gain a better understanding - of our lost history.
0:22:56 > 0:22:59- We found a Roman building - on the banks of the River Conwy...
0:23:00 > 0:23:03- ..a hill-fort in Ceredigion - and part of a Roman road in Lledrod.
0:23:04 > 0:23:06- And here, beneath the sand...
0:23:07 > 0:23:11- ..we unearthed a hill-fort from - the Iron Age and the Roman era...
0:23:11 > 0:23:14- ..and a windmill - from the late Middle Ages.
0:23:14 > 0:23:17- Sites like these - exist all over Wales.
0:23:17 > 0:23:21- Further excavations allow us - to discover more information...
0:23:21 > 0:23:25- ..and the remains - of Wales's history.
0:23:42 > 0:23:45- S4C Subtitles by Adnod Cyf.
0:23:45 > 0:23:46- .