. English: An illustration of a thunderclap bomb as depicted in the 11th century book Wujing Zongyao. 11th century. Zeng Gongliang, Ding Du, and Yang Weide 1191 Thunderclap bomb

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Size: 1844px × 2710px
Photo credit: © The Picture Art Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., /, /., 11th, century., ding, du, gongliang, weide., yang, zeng