Why is it called Wanshuyuan?

There are many trees. Wanshuyuan is a place with many trees and excellent feng shui. In front of the park is a lake, and behind it is a mountain, a place made up of trees. Wanshuyuan is located in the northeast of chengde mountain resort Plain. There is a stone tablet in the garden, engraved with "Wanshu Garden", written by Qianlong, which is the twentieth scene of "thirty-six scenes of Qianlong".