This is the most precise mechanical clock in the World - Jens Olsen's World Clock

This is Jens Olsen's World clock in Copenhagen Denmark. It is one of the coolest things you can go see for free when visiting the city and is one of the most complicated clocks ever assembled by human hands.
The fact you can go see something this extraordinary for free is super special, and anyone visiting or travelling through Copenhagen should stop in to check it out
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