Trees are reflected on the surface of streams wandering across Xixi Wetland in Hangzhou, east China's Zhejiang province in this picture taken on April 21, 2010. Xixi Wetland resort, located in western Hangzhou, capital of Zhejiang province, is a haven for dozens of kinds of birds. It's divided by wandering streams and fishing ponds, with bridges, pavilions and houses strewn around them. [chinadaily.com.cn/photo by Du Wenjuan]