A tall medieval stone clock tower with two ornate golden astronomical clock faces, surrounded by a large crowd of tourists on a cobblestone square under a blue sky with clouds

Prague Astronomical Clock (Orloj) with tourists gathered at Old Town Square, Czech Republic

Tourists gather beneath the Prague Astronomical Clock (Prague Orloj), a medieval astronomical clock attached to the Old Town Hall Tower in Prague's Old Town Square. The Gothic tower features ornate astronomical dials and calendar dial with golden details against weathered stone.

The Medieval Marvel

The Prague Astronomical Clock, mounted on the southern wall of Old Town Hall Tower, stands as one of the world's oldest functioning astronomical clocks. Its intricate golden dials have tracked celestial movements since 1410.

A Tourist Magnet

Visitors from around the globe crowd the cobblestone square, cameras raised to capture the Gothic masterpiece. The summer afternoon light illuminates the weathered stone facade and ornate mechanical faces.

Engineering Wonder

The clock's upper astronomical dial displays positions of the sun and moon, while the lower calendar dial features medallions representing each month. Above, a standard clock face keeps conventional time for the bustling square below.

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