Tourists visit the terracotta warriors and horses at the Emperor Qinshihuang's Mausoleum Site Museum in Xi'an, capital of Northwest China's Shaanxi Province, Aug. 20, 2013. The museum witnessed a tourism peak since August. (Xinhua/Chen Haining)

Tourists visit the terracotta warriors and horses at the Emperor Qinshihuang's Mausoleum Site Museum in Xi'an, capital of Northwest China's Shaanxi Province, Aug. 20, 2013. The museum witnessed a tourism peak since August. (Xinhua/Chen Haining)

Tourists visit the terracotta warriors and horses at the Emperor Qinshihuang's Mausoleum Site Museum in Xi'an, capital of Northwest China's Shaanxi Province, Aug. 20, 2013. The museum witnessed a tourism peak since August. (Xinhua/Chen Haining) 
 

Tourists visit the Emperor Qinshihuang's Mausoleum Site Museum in Xi'an, capital of Northwest China's Shaanxi Province, Aug. 20, 2013. The museum witnessed a tourism peak since August. (Xinhua/Chen Haining)