Photo taken on July 31, 2017 shows an aerial view of the world's largest waterwheel in Danzhai, Guizhou province. (CNS/He Junyi)

Donghu Waterwheel is massive, measuring 26.08 meters in diameter. It was certified as the world's largest waterwheel by Guinness World Record on July 26, 2017. The waterwheel is located at a Miao-style tourism town developed by Wanda Group in Danzhai, Guizhou province. The natural beauty and intangible cultural heritage of the town has attracted many visitors.