Title: Mingtang and Buddhist utopias in the history of the astronomical clock
Subjects: Astronomical clocks, History, Palaces, Spherical astronomy, Towers, Statues, Buddhism, Buddhism and philosophy, Utopias, Religious aspects, Ming-tʻang (Luoyang, China)
Places: China, Luoyang Shi
People: Wu hou Empress of China (624-705)