History: "Beware of death" sign above an unexploded shell stuck in a tree WW1 [451 × 720].

http://i.imgur.com/18JhtJz.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/6wqnz0/beware_of_death_sign_above_an_unexploded_shell/?utm_source=ifttt