A few days ago, an Abacus Museum was completed in Mingcuigu Scenic Spot of the Dianjun District. It houses more than 800 abacuses made of different materials such asgold, silver, copper, iron, ceramic, jade, mahogany, including a large mahogany abacus weighing 2 tons and a miniature abacus with a length of several centimeters. The photo shows that tourists are admiring the mahogany abacus. (Taken by correspondent Chen Yao and reporter Huang Xiang, from Full Media of Three Gorges Daily)