Children show their clean hands after washing hands at a kindergarten in Xinbao Village of Huachi County, northwest China's Gansu Province, June 3, 2017. To improve the hygiene education in remote areas, China Develpment Research Foundation and Unilever carried out a project to promote hand wash among children in classes. The project so far has covered more than 10,000 rural children in serveral provinces of China. (Xinhua/Chen Bin)
