Villager Liu Erzhao cleans the toilet at home in Zouping County, east China's Shandong Province, Dec. 24, 2017. By the mid of September, 2017, the County has finished the transformation of pit latrine. Zouping County has set a special fund to boost the development of rural area. Up till now, the county has completed the construction of 65 provincial and municipal model villages and 207 improved villages.(Xinhua/Dong Naide)