Photo taken on Dec. 3, 2017 shows a public toilet compound at the Crescent Spring and Singing Sand Dune scenic area in Dunhuang, northwest China's Gansu Province. Great efforts have been made to renovate toilets at tourist sites in the city. China plans to build or renovate about 21,000 toilets at tourist destinations next year, said the Ministry of Culture and Tourism. (Xinhua/Chen Bin)