Notes: This is Bonpo Sutra cover, written in Tibetan scripts “Yong Zhong Tian Yun Yu” which means this sutra came down from Xiang Xiong times (Approximately from the tenth Century B.C. to the A.D. eighth Century) and most of Bon sutras take “Yong Zhong Tian Yun Yu” as the begin paper.
“Yong zhong” (卍) ----- It is the sign of Bonpo, fixed and strong belief.
Xiang Xiong (zhang zhuang) is the cradle of Bonpo, Tibetan writing is developed on the basis of Xiang Xiong characters, which possibly have been lost.
