Visitors view rubbings of calligraphy by Huang Tingjian (1045-1105) at Shenyang Palace Museum, Liaoning province, Aug 9. Huang was a poet and one of the four calligraphy masters of the Song Dynasty (960-1279). The others were Su Shi, Mi Fu and Cai Jing. The exhibition runs until Sept 25. [Photo/Chinanews.com]

A viewer photographs the rubbings on display at Shenyang Palace Museum, Liaoning province, Aug 9. [Photo/Chinanews.com]