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Location:

Prague, Czech Republic
Europe

Contributor

Jonah Marks

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Pražský Orloj
The Prague Astronomical Clock is a medieval clock located in Prague’s Old Town Square. It was originally installed in 1410. It is the world’s oldest astronomical clock that is still in operation today, and the world’s third-oldest astronomical clock. Visitors crowd around the clock on the hour to see its show of moving figurines and hear the sound of the bells.