Are there any hotels with open-air gardens with roofs in Beijing?

There is an open-air garden of nearly 3,000 square meters on the top of the third floor of Doubletree by Hilton Beijing, where my friend's wedding was held. Very good. The hotel is new and the service is good.

Address: Guanganmenwai Street, southwest corner of Handkerchief Bridge. Telephone 0 10 6338 1888