This week marks 80 years since the miracle at Dunkirk, in which a quarter of a million allied troops were evacuated from German-held France. Historian Josh Levine, historical advisor to Christopher Nolan's 'Dunkirk', joins Dan Snow to talk about that fateful moment in WWII.
The clips in this episode are taken from the following documentary:
Cities At War: London - https://www.youtube.com/watch?v=ZEPtuye4AgY
