History: Portuguese soldiers wait their turn to test their physical and moral resistance under the effects of gas in a sealed practice chamber, 1914-18. [699x517]

https://i.redd.it/im5asnrk1p671.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/o5774q/portuguese_soldiers_wait_their_turn_to_test_their/?utm_source=ifttt