National Geographic : 1917 Nov
Photograph from Harriet Chalmers Adams AFTER THE BOMBARDMENT "Nancy is a little more than five miles from the front and is bombarded by the Boches' most powerful guns, which have a2o-mile range. Their shells come mainly at night, when there can be no warning. In daylight French aeroplaneshover guard over the city towatch for the distant white cloud, which heralds the oncoming shell. The tocsin soun ds and 100,ooo inhabitantsscurry tothecellars."