History: Members of the UNPA (National Union for Anti-Aircraft Protection) demonstrating the usage of gas masks, Brescia, Italy, ca 1940 [800x638]

https://i.imgur.com/Lc1VLD2.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/6vjswx/members_of_the_unpa_national_union_for/?utm_source=ifttt