Pražský orloj “Prague Astronomical Clock” was first installed in 1410, making it the 3rd oldest astronomical clock in the world, and the oldest one still in operation. 

Staroměstské náměstí “Old town square” is the oldest and most significant square in the historical centre of Prague, dating back to the 10th century.  It served as a marketplace at the crossroads of European trade routes. The square was near the former customs house, where the goods imported by foreign merchants were always cleared and allowed entry.