Egg stones can be found in Wuhu county. According to relevant public information, pebbles are distributed on the riverbed, which are dark red, cyan and gray, with different shapes and sizes, and some have their own patterns. They are widely used in public buildings, villas and courtyard buildings, as well as in the modeling design of bonsai, fish tanks and gardening, and can also be used to pickle vegetables. Pebbles can be found along the Yangtze River and Qingyi River in Wuhu. It can also be detected in power plants in Wuhu.