XI'AN, March 25, 2016 (Xinhua) -- Nepali Prime Minister K. P. Sharma Oli speaks at a China-Nepal enterprises meeting in Xi'an, capital of northwest China's Shaanxi Province, March 25, 2016. (Xinhua/Liu Xiao)

XI'AN, March 25, 2016 (Xinhua) -- Nepali Prime Minister K. P. Sharma Oli speaks at Xi'an Medical University after an cooperative agreement was signed between the university and Nepal's National Academy of Medical Science (NAMS) in Xi'an, capital of northwest China's Shaanxi Province, March 25, 2016. (Xinhua/Liu Xiao)

XI'AN, March 25, 2016 (Xinhua) -- Nepali Prime Minister K. P. Sharma Oli visits Emperor Qinshihuang's Mausoleum Site Museum in Xi'an, capital of northwest China's Shaanxi Province, March 25, 2016. (Xinhua/Liu Xiao)

XI'AN, March 25, 2016 (Xinhua) -- Nepali Prime Minister K. P. Sharma Oli (R) poses for photo at Emperor Qinshihuang's Mausoleum Site Museum in Xi'an, capital of northwest China's Shaanxi Province, March 25, 2016. (Xinhua/Liu Xiao)