https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/8802624![Greatest French gun [320mm] at moment of firing during a night bombardment. The belch of smoke from the explosion of the…](https://images.rawpixel.com/image_social_portrait/cHJpdmF0ZS9sci9pbWFnZXMvd2Vic2l0ZS8yMDIzLTAzL2ZsNTUwNjUzNDI4OC1pbWFnZS5qcGc.jpg)
Greatest French gun [320mm] at moment of firing during a night bombardment. The belch of smoke from the explosion of the charge is a flash of light at night and makes a most unusual sight. Underwood and Underwood., 1917 - 1919. Original public domain image from Flickr
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