Expo Wetland to be used for toilet flushing

A wetland park will be built by the City of Chengdu on the 2010 Expo site in Shanghai that will use soil and vegetation to purify site rain water that will be used toilet flushing. The wetland park wil be 2,680 square metres on the Puxi section (north)  and also include underground water tanks as apart of the system. The wetland will consist of 16 terraced ponds planted with 60 plant and tree species over 1,200 square metres of the wetland. Water from the wetland will also be used in a fun ‘piano keyboard’ that will spray water when people step on the keys.

SOURCE: Shanghai Daily

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