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A large snake, symbolic of a gas attack, strikes at a sleeping soldier, World War I

After a crayon drawing by Dutch painter, caricaturist, and editorial cartoonist Louis Raemakers (1869-1956). (Source: Wellcome Collection, London, UK. Wellcome Library no. 46015i (Photo number: V0018240). Creative Commons Attribution 4.0 International [CC BY 4.0] license, creativecommons.org/licenses/by/4.0.)

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