The famous ancient clock in Prague is known as the Prague Astronomical Clock or "Orloj." Installed in the Old Town Hall in the early 15th century, it is one of the most renowned astronomical clocks in the world, attracting many tourists. The clock not only tells the time but also indicates the positions of celestial bodies and various astronomical measurements. Each hour, it performs a mechanized show featuring the figures of the Twelve Apostles and other allegorical statues, such as Death. The clock's intricate design and historical significance make it a centerpiece of Prague's rich cultural heritage.