Visitors select goods at the Fourth China Tibet Tourism and Culture Expo in southwest China's Tibet Autonomous Region, Sept. 11, 2018. The five-day expo concluded on Tuesday. (Photos: Xinhua)

Visitors select goods at the Fourth China Tibet Tourism and Culture Expo in southwest China's Tibet Autonomous Region, Sept. 11, 2018. The five-day expo concluded on Tuesday.

An exhibitor (1st R) from Nepal talks with visitors at the Fourth China Tibet Tourism and Culture Expo in southwest China's Tibet Autonomous Region, Sept. 11, 2018. The five-day expo concluded on Tuesday.

Visitors select handicrafts at the Fourth China Tibet Tourism and Culture Expo in southwest China's Tibet Autonomous Region, Sept. 11, 2018. The five-day expo concluded on Tuesday.

Visitors select handicrafts at the Fourth China Tibet Tourism and Culture Expo in southwest China's Tibet Autonomous Region, Sept. 11, 2018. The five-day expo concluded on Tuesday.