U and YESTERDAY

The team build a Protection Deck; more then 300km of scaffolding cover the whole bridge, encasing it in an exoskeleton of constantly changing steel.

A 1973 Ford Escort Mexico is the team's most expensive purchase to date. To save some cash Derek helps on their second buy - a 1968 Riley Kestrel.

Behind the scenes of a North Yorkshire-based, family-run historic car auction business. Featured vehicles include a Mini Cooper and Chevrolet Pick-up.

Learn more about the 'war to end all wars' through illuminating and often shocking statistics. After 1916, the imperial powers redoubled their efforts to win the war.

This ambitious, striking film tells an astonishing story which challenges our understanding of the Second World War and our perception of world-renowned leaders.

The team visits the former drawing offices of Harland and Wolff shipyard, Belfast, where items include a document marking the end of the Second World War.

Fiona Bruce and the team are at the Bishop's Palace in Wells, Somerset, where items include one of the show's earliest recorded objects.

A 1970 Excalibur Roadstar, once owned by Roy Orbison, arrives at Thornton le Dale and Derek heads to County Durham to collect a 1935 Austin 7 Ulster that's been rebuilt.

Two British classics head into to the Mathewsons' auction room, Dave heads to North Manchester to pick up an Austin A30 and a Morris 8 E with an alternative paint job.

Learn more about the 'war to end all wars' through illuminating and often shocking statistics. After 1916, the imperial powers redoubled their efforts to win the war.

This ambitious, striking film tells an astonishing story which challenges our understanding of the Second World War and our perception of world-renowned leaders.

Animals that live in Asia's deserts and dry grasslands, including the Gobi bear, one of the rarest animals on Earth.

The series concludes with a look at the work of people striving to protect Asia's endangered wildlife, and what routes conservation could take in the future.

A fully restored Class 47 diesel engine is transported from its home at Crewe Heritage Centre in Cheshire to the Ecclesbourne Valley Railway in Derbyshire.

The crew of Karen of Ladram hunts hake off of Cornwall, a rookie crew works in the Irish Sea, and trainee skipper Michael steps up in a storm.

David Attenborough views the wildlife of Europe, with Italian mountain villages that are the hunting grounds for rarely seen wolves and lynx in the forests of Spain.

David Attenborough views life in North America, with footage of roadrunners cruising the deserts of Arizona, and polar bears hunting beluga whales.