The Wulong Scenic Area, which has the title of "the first beautiful water in the world" in the clear water of Qiandao Lake, is a scenic spot of Qiandao Lake tourist routes. It is located on the central lake of Qiandao Lake. The shape of the island is like a lock, so it is named the island. You can hang happy locks, connected locks, concentric locks, friendship locks, Auspicious lock, merit lock, etc.