Clip: Bagnold's story, 04'38"
BBC News has been given exclusive access to a priceless archive of footage taken by young adventurers exploring parts of the world that were completely new to western eyes.
One of the stories, shown left, is of the 1932 expedition by
Ralph Bagnold and his fellow adventurers to drive across the Libyan desert in motorcars, mapping the terrain. His research into how sand is moved by wind has had surprising use with scientists today.
23 min documentary (watch in full)
Presented by Pallab Ghosh.
Produced & Directed by Alison Francis.
Broadcast on BBC News & BBC World News.