This city's astronomical clock has been in operation since 1410, making it the world's oldest functioning mechanical large clock. Locally called the Orloj, this clock is located on the south wall of the Old Town Hall. Name this European capital on the Vitava River where you can find this clock that tracks the calendar, the seasons, the sun and moon, and has numerous wooden figures, including the Apostles, which move around to celebrate the hour.
Prague, Czechia