The pictures were taken by overlapping in Photoshop.
were taken from photos taken in 1945 during the liberation of Normandy, the Americans, and contemporary photographs of Normandy.
Look what happened. Modern photo: Photos from the Second World War:

A very unusual project called MOUSTAIR, united fans' pofotoshopit. " The idea is you want to photograph any man with a mustache, which, after some manipulation in Photoshop become hair of her head, which is located on the chin ... So what's to explain, see for yourself ...