museum-of-artifacts: Tsar Cannon, casted in 1586 in Moscow it is the largest bombard by caliber in the world

museum-of-artifacts: Tsar Cannon, casted in 1586 in Moscow it is the largest bombard by caliber in the world

tags: cool JAPAN？,

from: https://www.tumblr.com/blog/view/pochone/140039448208