File:ZhangZhiyuan.jpg

DescriptionZhangZhiyuan.jpg English: Zhang Zhiyuan ( 張芝元 zhang zhi yuan), an officer of the Qing Army during Qianlong's era. Date late 1700s Source http://www

Libration of Tibet. Front row right to left: Li Weihan, Zhang Jingwu, Zhang Guohua, Sun Zhiyuan. Back row left to right: Thuptan Tenthar, Sonam Wangdu

DescriptionSigning the Treaty of Libration of Tibet4.jpg English: Ngapoi Ngawang Jigme signing on the Treaty. 中文：1951年5月23日 ，《十七条协议》签字仪式上，西藏政府首席代表阿沛·

Xuejun Yang, Huadong Dai, Xiaodong Yi, Yanzhen Wang, Shaowu Yang, Bo Zhang, Zhiyuan Wang, Yun Zhou, Xuefeng Peng Permission (Reusing this file) Open Access