Old Summer Palace
The Old Summer Palace, known in China as the Gardens of Perfect Clarity (Traditional Chinese: 圆明园; Simplified Chinese: 圆明园; Pinyin: Yuánmíng Yuán, referred to in many books as Yuan Ming Yuan), and originally called the Imperial Gardens (Simplified Chinese: 御园; Traditional Chinese: 御园; Pinyin: Yù Yuán), was a complex of palaces and gardens 8 km (5 miles) northwest of the walls of Beijing, built in the 18th and early 19th century, where the emperors of the Qing Dynasty resided and handled government affairs (the Forbidden City inside Beijing was used only for formal ceremonies).
参考资料：http://en.wikipedia.org/wiki/Old_Summer_Palace