Tourists enjoy the beautiful flowers at Xixi Wetland Park Flowers Festival in Hangzhou, East China's Zhejiang province, April 17, 2012. During the 34-day festival, more than 450 kinds of trees, shrubs and flowers are exhibited at the park. [Photo/Asianews]

A couple takes wedding pictures in a rape flower field at Xixi Wetland Park Flowers Festival in Hangzhou, East China's Zhejiang province, April 17, 2012. [Photo/Asianews]