And by the way, did you know that the Flemish painters Hubert and Jan van Eyck's Ghent Altarpiece has been stolen seven times over its history' Napoleon got his hands on it for a while, as did Hitler. And in 1934, thieves broke into the Ghent cathedral and stole a single panel of the polyptych; every other robbery was eventually undone, but that portion from the lower left is still missing.
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