In June 1940, German forces, having swept across Belgium and Holland, and into France, were closing in on Paris. In the face of the German army, millions of French, Dutch and Belgians had taken to the roads in one of the biggest exoduses of people the world had ever seen. Witness talks to Daphne Wall, who lived in Paris in 1940 as a young English girl and whose family joined the exodus south as Paris fell. Photograph: the Nazi leader Adolf Hitler visits the Eiffel Tower following the occupation of Paris by the German army on the 14th June 1940 (Credit: Harwood/Keystone/Getty Images)