Mummy of Huineng
Shitou was P’ang’s friend.
http://en.wikipedia.org/wiki/Mount_Heng_(Hunan) Shitou’s residence
Mount Heng (Chinese: 衡山; pinyin: Héng Shān), also known as Nan Yue (Chinese: 南岳; pinyin: Nányuè), is located in Hunan and is one of the Five Great Mountains in China.
Vimalakirti, 8th century wall painting, Dunhuang
Yueh–shan Wei-yen (751- 834)