Aerial view of wetland park in Fenkou, E China's Zhejiang

Aerial photo taken on April 3, 2018 shows rainbow at a wetland park in Fenkou Town of Chun'an County in Hangzhou, east China's Zhejiang Province. The wetland park which covers an area of over 33 hectares is the highlight project of environmental improvement in Fenkou Town. (Xinhua/Xu Yu)