There is a 100years old water mill still revolving in Heyang village of Anhui province.According to the custom handed down form old days, each family can use the mill in turn.

• 安徽省绩溪县家朋乡和阳村，有一座百年水磨坊还在按照自古以来的习俗运转：村民们排好每家在一个月中使用的日期。