China declared WAR on sparrows #history

Three million people, five a.m., every roof in Beijing. Their enemy weighed twenty grams. Sources - Eliminate Sparrows campaign: https://en.wikipedia.org/wiki/Eliminate_Sparrows_campaign - Four Pests campaign: https://en.wikipedia.org/wiki/Four_Pests_campaign - Mao's instruction on health work, 18 March 1960 ("stop killing sparrows, replace them with bedbugs") - Eurasian tree sparrow: https://en.wikipedia.org/wiki/Eurasian_tree_sparrow Music by Kevin MacLeod (incompetech.com), licensed under Creative Commons: By Attribution 4.0 License (http://creativecommons.org/licenses/by/4.0/): "Kawai Kitsune", "Scheming Weasel (faster version)", "Heartbreaking", "Local Forecast - Elevator". Sound effects: Kenney (kenney.nl) and Freesound contributors (CC0).