Tourists tour by boat the Lashihai wetland park in Lijiang, southwest China's Yunnan Province, on July 29, 2009. [Lin Yiguang/Xinhua]
![Tourists tour by boat the Lashihai wetland park in Lijiang, southwest China's Yunnan Province, on July 29, 2009. [Lin Yiguang/Xinhua]](http://images.china.cn/attachement/jpg/site1007/20090730/000bcdb95f1d0bdb88172f.jpg "Tourists tour by boat the Lashihai wetland park in Lijiang, southwest China's Yunnan Province, on July 29, 2009. [Lin Yiguang/Xinhua]")