History: WWI: Two German soldiers and their mule wearing gas masks, 1916 [1600 x 1295]

https://i.redd.it/lfm93rrwfn351.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/gyvnpn/wwi_two_german_soldiers_and_their_mule_wearing/?utm_source=ifttt