Beijing Xiaoxi Dudu BBs attentive service and first-class facilities will make your trip in Beijing an unforgettable one. The leisure area of the BB provides various facilities where you can relieve physical and mental stress.BB Paradise, a natural vacation trip for children to have fun, is located in Heihanling Village, Sihai Town, Yanqing District. It is a childrens holiday paradise renovated based on 7 old yards. The yard has slides, sandpits, and paddling pools that children love. Cars and picture books.