Xochimilco in Mexico is listed as a World Heritage Site. The most impressive thing is the ghost doll Island introduced in the travel book. A thousand ghost dolls hang on trees. There are many tourists on weekends. From Mexico City, they take the subway, Blue Line 2 to the last stop, Tasquena, and then take the light rail to Xochimilco. After getting off, they walk forward for about 5 minutes to the wharf. There are police on the roadside, chartered boats are about 500 pesos, which can be found. People carpool together, the cost is equal, many families charter boats for parties, boats on the river sell flowers, drinks, food, small gifts, tricks will slip over, there is a section of the river is dirty, like a foul ditch.