Witness History

BBC NEWS

Monday 11 January 2021  01:30 - 02:00 (30 mins)
A look back at some of Witness History's most memorable recent stories, including the man who invented the polio vaccine and how Hiroshima's trees became a symbol of survival.

Witness History may be available on playback
Witness History (BBC NEWS) Monday 11 January 2021 01:30 - 02:00