The latest news, exploring the day's events from a global perspective.
17/20 Michael Portillo visits the oldest working factory in the world at Cromford. (R)
The story of the Great War told from a unique new aerial perspective. (R)
2/2 Mercier goes undercover to Czechoslovakia on the trail of the elusive Chaika.
David Reynolds asks why Britain spent much of the war fighting in north Africa and Italy. (R)
The history of the humble fig leaf throughout 2,000 years of Western art and ethics. (R)
1/2 Documentary looking at the concept of luxury from its beginnings in ancient Greece. (R)
How the art colony of St Ives in Cornwall played a key part in the history of modernism. (R)
2/4 David Heathcote uncovers the controversial story of the London Transport HQ. (R)
Thursday 17 January 2013