Extraordinary pictures of the aftermath of WW1, which have been hidden away for nearly a century, have been discovered in a vault in Paris.
The film is a part of a special BBC One programme that includes unique aerial photographs of the battlefield taken by British pilots.
Nick Higham on the footage that gives an amazing insight into history. Click here to view
More of the footage can be seen on the BBC One programme 'The First World War from Above' on Sunday at 2100GMT.
If you missed it, watch via i-player by clicking here (available until 9.59pm until Sunday 14th November 2010)