Gonzalo Collazo writes:
“Happy German soldiers behind the front in dance costumes – 1916
De joyeux soldats allemands à l’arrière du front en costumes de danse – 1916
Belustigungen deutscher Soldaten hinter der Front – 1916
Los soldados alemanes felices detrás del frente en ropa de danza – 1916

”

What do you belive the copyright status of this image to be?
Gonzalo Collazo believes: “The image is out of copyright.”

The image url:
http://pages14-18.mesdiscussions.net/pages1418/Pages-14-18-l-Art-et-la-Guerre/autre/danse-sujet_428_2.htm