Which one of the following statements is not true？

Which one of the following statements is not true？
A.Chengde Mountain Resort played an important role in the development of 18th-century landscape garden design worldwide.
B.Chengde Mountain Resort is the largest existing imperial garden in China.
C.Lingering Garden possesses two UNESCO Intangible World Heritage Arts：Pingtan and Guqin music.
D.Humble Administrator's Garden stands out among the Classical Gardens of Suzhou for its unique landscape pattern.
正确答案：Chengde Mountain Resort is the largest existing imperial garden in China.