:00:00. > :00:09.Hi guys - Nel here live with record breaking news from Frozen
:00:10. > :00:13.and a bit of One D, plus: The wondrous underwater tunnel
:00:14. > :00:21.hidden away for centuries. It's Newsround.
:00:22. > :00:23.But first to the amazing discovery of
:00:24. > :00:29.Scientists unearthed the stinky swamp land while
:00:30. > :00:34.And they think it could help uncover mysteries of the natural world going
:00:35. > :00:41.Here's Ricky In Ukraine there's been serious fighting at an airport
:00:42. > :00:50.Deep in the heart of the African rainforest, rightists have made a
:00:51. > :00:55.remarkable discovery. A huge area of swampland in the Republic of Congo.
:00:56. > :00:58.At 2000 -- 200,000 square metres, it's bigger than the whole of
:00:59. > :01:03.England and debris than an Olympics remain cool. But the discovery
:01:04. > :01:09.wasn't easy. The scientists had to watch out for crocodiles, gorillas
:01:10. > :01:15.and elephants. It was incredibly surprising to find an area the size
:01:16. > :01:22.of England that, essentially, was uncharted. We walked through it in
:01:23. > :01:29.the daytime collecting our samples. In the evening, we put up tents. The
:01:30. > :01:39.land is special because it contains tonnes of decay which is more than a
:01:40. > :01:43.thousand years old. Pete is all around us. This peatland in Greater
:01:44. > :01:50.Manchester is quite wet and spongy. On the surface, it doesn't -- it is
:01:51. > :01:52.spongy on the surface. It is incredibly important for
:01:53. > :01:57.conservation because all of this has been slowly decomposing the more
:01:58. > :02:00.than 12,000 years. Via mac it's a living history that records
:02:01. > :02:05.everything that has happened in the area. They've got things like
:02:06. > :02:10.elephants, crocodiles. Things we don't have here. They've also got
:02:11. > :02:17.trees. Scientists have brought back samples of the Pete to test. It will
:02:18. > :02:17.help them learn more about how the environment has changed over the
:02:18. > :02:29.last thousand years. In Ukraine there's been
:02:30. > :02:31.serious fighting at an airport Armed groups who want Russia to have
:02:32. > :02:37.more of a say in how the country's run clashed with the Ukrainian army
:02:38. > :02:40.for control of the airport. Over the weekend a new President
:02:41. > :02:43.was elected promising to bring But after months of unrest
:02:44. > :02:47.the situation is still unresolved. And in other news a threatened
:02:48. > :02:50.walk-out that could have disrupted tomorrow's big One Direction
:02:51. > :02:52.concert has been called off. The boys are performing
:02:53. > :02:55.at Sunderland's Stadium of Light but fans travelling there were
:02:56. > :02:57.facing a headache. Rail workers said they weren't going
:02:58. > :03:01.to turn up to work and go on strike Next - to what was once called the
:03:02. > :03:09.8th wonder of the world - hidden It was the first under water tunnel
:03:10. > :03:14.built anywhere on the planet back And now it's been reopened to
:03:15. > :03:18.the public for the first time Deep below the River Thames
:03:19. > :03:24.in London lies one of the greatest This is a glimpse into the
:03:25. > :03:30.Thames Tunnel - built over 250 years Back in Victorian London,
:03:31. > :03:36.people needed a new way to get across the crowded River Thames
:03:37. > :03:39.so an engineer called Marc Brunel suggested building a tunnel
:03:40. > :03:42.between Rotherhithe and Wapping. This was the dream- but no one had
:03:43. > :03:47.ever successfully built an underwater tunnel before- and
:03:48. > :03:52.working on it was very dangerous. workers in cells,
:03:53. > :03:55.they do two hour shifts. Work began in 1825
:03:56. > :04:10.and took 18 years to complete. Workers would work in shifts but
:04:11. > :04:11.they had to come off after a couple of hours because of the air
:04:12. > :04:12.pressure. Work began in 1825
:04:13. > :04:15.and took 18 years to complete. 50,000 people came to the grand
:04:16. > :04:18.opening and it became a major tourist attraction as people flocked
:04:19. > :04:21.to pass under the Thames, and visit the underground shops that were set
:04:22. > :04:24.up in the tunnel's archways. But the novelty wore off
:04:25. > :04:27.and the tunnel was sold to it's used by London Overground
:04:28. > :04:32.trains - but for just one weekend these lucky visitors got to travel
:04:33. > :04:35.beneath the Thames- Victorian style. Movie news and Frozen has become
:04:36. > :04:38.the fifth biggest selling film The Disney hit has made more than
:04:39. > :04:43.?700 million worldwide It replaced Iron Man 3
:04:44. > :04:47.in the all time top 5 and is now just behind Harry Potter
:04:48. > :04:51.and the Deathly Hallows. That's all from Newsround on the
:04:52. > :04:55.CBBC Channel but so much more to