Emperor Guangxu. According to Zhihu, the Summer Palace is the residence of Empress Dowager Cixi, Empress Guangxu, Empress Zhen and Princess Jin. The palace in the Summer Palace is the residence of Emperor Guangxu, and the Summer Palace was built by Qianlong to celebrate his mother's birthday. The Summer Palace, formerly known as Qingyi Garden, is a royal garden in China in the Qing Dynasty. It is located in the western suburbs of Beijing, 0/5km away from the downtown area. The whole park covers an area of 3.009 square kilometers, accounting for about three quarters of the water surface.