many times since. In 1631 the eastern garden was divided from the rest and purchased by Wang Xinyi, Vice Minister of the Justice Board. He added many modifications over the next four years, finishing work in 1635. After completion it was renamed Dwelling Upon Return to the Countryside (). The central garden was purchased by Jiang Qi, Governor of Jiangsu in 1738. After extensive renovations he renamed it Garden Rebuilt. In 1860, it became the residence of a Taiping prince, Li Xiucheng, and it was remodelled, and the current aspect of the garden is said to be inherited from this period. Also in 1738 the Western Garden was purchased by Ye Shikuan Chief Histographer, and renamed The Garden of Books. The Garden of Books was purchased by a Suzhou merchant, Zhang Lüqian, in 1877 and renamed The Subsidiary Garden. In 1949 all three parts of the garden were rejoined by the Chinese government and subsequently opened to the public, then restored in 1952. In 1997 the garden was given UNESCO World Heritage status. Cao Xueqin, author of the Dream of the Red Chamber, is supposed to have lived at the garden during his teenage years – around 1735. Among Chinese scholars, it is believed that much of the garden in his novel Dream of the Red Chamber was inspired by the scenery of the Humble Administrator's Garden. Design The garden contains numerous pavilions and bridges set among a maze of connected pools and islands. It consists of three major parts set about a large lake: the central part (Zhuozheng Yuan), the eastern part (once called Guitianyuanju, Dwelling Upon Return to the Countryside), and a western part (the Supplementary Garden). The house lies in the south of the garden. In total, the garden contains 48 different buildings with 101 tablets, 40 steles, 21 precious old trees, and over 700 Suzhou-style penjing/penzai. According to , compared with the layout from the Zhenghe Period in the Ming Dynasty, the garden "now has more buildings and islets", and although lacks a "lofty" feeling, it is "still a masterpiece of meticulous work". Liu Dunzhen judged that the arrangement of rocks and water in the ponds of the central third may have its origins in the early Qing. The western third retains the late nineteenth-century layout, while the eastern third has seen several renovation since. But Clunas believes that even this is unreasonably optimistic, and he