History: Japanese school girls wearing gas masks during a drill in Tokyo, Japan in 1943. [1182 x 944]

https://i.imgur.com/CAhsZ8B.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/735w9f/japanese_school_girls_wearing_gas_masks_during_a/?utm_source=ifttt