World War One: a large snake, symbolic of a gas attack, stri Credit: Wellcome Library, London. Wellcome Images images@wellcome.ac.uk http://wellcomeimages.org World War One: a large snake, symbolic of a gas attack, strikes at a sleeping soldier. Colour halftone after a crayon drawing by L. Raemaekers. By: Louis RaemaekersPublished: - Copyrighted work available under Creative Commons Attribution only licence CC BY 4.0 http://creativecommons.org/licenses/by/4.0/
