Photo taken on July 16, 2017 shows a ladybug-shaped public toilet in Xiangyang, central China's Hubei Province. The Chinese government launched its "toilet revolution" across the country in 2015 with an aim to make the most notorious facilities cleaner and more regulated. It planned to add 33,000 public restrooms and renovate 24,000 between 2015 and 2017. (Xinhua/Wang Hu)

A visitor charges her cellphone in a public toilet in Xijiang Qianhu Miao Village in Leishan County, southwest China's Guizhou Province, Dec. 5, 2017. The Chinese government launched its "toilet revolution" across the country in 2015 with an aim to make the most notorious facilities cleaner and more regulated. It planned to add 33,000 public restrooms and renovate 24,000 between 2015 and 2017. (Xinhua/Lin Shikang)

A visitor stands outside of a magic cube shaped public toilet in a scenic area in Qingdao, east China's Shandong Province, Nov. 30, 2017. The Chinese government launched its "toilet revolution" across the country in 2015 with an aim to make the most notorious facilities cleaner and more regulated. It planned to add 33,000 public restrooms and renovate 24,000 between 2015 and 2017. (Xinhua/Wang Haibin)

Photo taken on Sep. 15, 2017 shows a temporary parking spot reserved for public toilet in Weifang, east China's Shandong Province. The Chinese government launched its "toilet revolution" across the country in 2015 with an aim to make the most notorious facilities cleaner and more regulated. It planned to add 33,000 public restrooms and renovate 24,000 between 2015 and 2017. (Xinhua/Zhang Chi)

Photo taken on Dec. 5, 2017 shows a public toilet in Xijiang Qianhu Miao Village in Leishan County, southwest China's Guizhou Province. The Chinese government launched its "toilet revolution" across the country in 2015 with an aim to make the most notorious facilities cleaner and more regulated. It planned to add 33,000 public restrooms and renovate 24,000 between 2015 and 2017. (Xinhua/Cai Xingwen)

A visitor washes hands in a public toilet in a scenic area in Qingdao, east China's Shandong Province, Nov. 30, 2017. The Chinese government launched its "toilet revolution" across the country in 2015 with an aim to make the most notorious facilities cleaner and more regulated. It planned to add 33,000 public restrooms and renovate 24,000 between 2015 and 2017. (Xinhua/Wang Haibin)