On 6 June 1944, Allied soldiers descended onto the beaches of Normandy for D-Day, an operation that turned the tide of the Second World War against the Nazis, marking the beginning of the end of the conflict.

Today, as many around the world prepare to commemorate the 70th anniversary of the landings, pictures of tourists soaking up the sun on Normandy's beaches stand in stark contrast to images taken around the time of the invasion.

Reuters photographer Chris Helgren compiled archive pictures taken during the invasion and went back to the same places to photograph them as they appear today.