SHIQU, July 4, 2016 (Xinhua) -- Photo taken on July 3, 2016 shows a part of riverine wetlands along the Jinsha River in Zhengke Township of Shiqu County, southwest China's Sichuan Province. Experts have found various types of wetlands after 7-day investigation on wetlands in Shiqu County. Shiqu County, which is located on the southeastern part of the Qinghai-Tibet Plateau, covers an area of 1.1 million hectares of wetlands. These wetlands play a role in keeping ecological balance of the sources of the Yangtze River and the Yellow River. (Xinhua/Jiang Hongjing)