Date: 2009-8-30 22:59:00 by shyoto Tags: Expo Shanghai Expo Shanghai Chengdu Expo Site

Chengdu City, capital of Sichuan Province, will build a wetland park at the 2010 World Expo that uses soil and vegetation to purify rainwater.
The 2,680-square-meter park in the Puxi section of the Expo site will be the city's Urban Best Practices Area showcase.
The 20 million yuan (US$2.92 million) park can purify about 30 cubic meters of water eve
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