Polish President Andrzej Duda (front) delivers a speech during memorial ceremonies marking the 74th anniversary of the outbreak of the 1944 Warsaw Uprising against the Germans during the World War II, in Warsaw, Poland, July 29, 2018. The Warsaw Uprising broke out on Aug. 1, 1944 and was the biggest resistance operation in German-occupied Europe. (Xinhua/Jaap Arriens)
