Northeast corner of the Forbidden City. Huaxia Library in the nine-story demon tower is located in the northeast corner of the Forbidden City in Beijing. According to the records of Qing Dynasty, it was built in Qianlong 2 1 year (A.D. 1756). The protection project of Zhi Zhu Temple Ancient Architecture Group won the UNESCO Asia-Pacific Cultural Heritage Protection Award, which is the first time that Beijing-style architecture has won this honor.