The Forbidden City was declared a World Heritage Site by UNESCO in 1987. The palace complex located in Beijing, China, served as the imperial palace for nearly 500 years and was home to 24 Chinese emperors between 1420 and 1911. The Forbidden City features 980 buildings, covers 180 acres, and now houses the Palace Museum. The museum boasts one of the most extensive collections of mechanical timepieces from the 18th and 19th centuries. The Forbidden City organises cultural courses and educational activities for all age groups, hold lectures, organised training, and makes use of abundant educational resources to benefit the education of the World Heritage Site.