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Tsar Cannon

POI's creator (Voyajo Team)

The Tsar Cannon is an enormous cannon, commissioned in 1586 by Russian Tsar Feodor and cast by Andrey Chokhov. The cannon weighs 39.312 tonnesPortnov 1990, p. 20 and has a length of .Portnov 1990, p. 19 Its bronze-cast barrel has a diameter of , and an external diameter of (...) (from Wikipedia)