History: The Houses of Parliament in darkness as a blackout is conducted in preparation for war, 1939. [1200 x 916]

https://i.redd.it/buuugcxm81u01.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/8esj1h/the_houses_of_parliament_in_darkness_as_a/?utm_source=ifttt