![](http://www.ecns.cn/hd/2023/01/13/d2524925d29340a2b7545d39a594fe6e.jpg)
Photo released on Jan. 12, 2023 shows a pottery inkstone discovered from a tomb of the Tang Dynasty (618-907) in Xi'an, northwest China's Shaanxi Province. (Photo provided to China News Service)
An epitaph written by calligraphy master Liu Gongquan (778-865) in his later years was also excavated in the tomb.
![](http://www.ecns.cn/hd/2023/01/13/a041b87dcb59457092770011a7cff313.jpg)
Photo released on Jan. 12, 2023 shows an epitaph on a stone written by calligraphy master Liu Gongquan, discovered from a tomb of the Tang Dynasty (618-907) in Xi'an, northwest China's Shaanxi Province. (Photo provided to China News Service)