Staff members work at a modern agricultural zone in the Wulianshan-Bailuwan multipurpose park in Rizhao City, east China's Shandong Province, Sept. 3, 2019. The Wulianshan-Bailuwan multipurpose park, covering an area of 60.5 square kilometers, is in the southeast of Wulian County in Rizhao. It has become a model of ecological development for villages in Shandong, where the ecological environment has been greatly improved and the local farmers' income continues to increase by tourism and cash crop planting. (Xinhua/Wang Kai)