The Palace Museum in Shenyang is one of the two imperial palace building complexes, built in 1625, the 10th year during the reign of Emperor Tianming of the Later Jin period. It covers an area of 60, 000 square meters with 300 bays and rooms in over 20 courtyards in three parts: the east, the middle, and the west. The main structures in the eastern part are the Dazheng Hall and the Ten-King Pavilion; The buildings on the axis of the middle part include the Chongzheng Hall, the Phoenix Tower, and the Qingning Palace; In the eastern part are the Opera Theater, and the Wen-shuo Tower.