6015276 German soldiers advancing through the burning ruins of Rotterdam after its bombing by the Luftwaffe, World War II, May 1940 (b/w photo) by German Photographer (20th Century); Private Collection; (add.info.: German soldiers advancing through the burning ruins of Rotterdam after its bombing by the Luftwaffe, World War II, May 1940. Illustration from The Second Great War, A Standard History, Volume Five (The Waverley Book Company Ltd in association with The Amalgamated Press Ltd, London, c1946).); 穢 Look and Learn.