XIGAZE, June 19, 2016 (Xinhua) -- Tourists visit Tashihunpo Monastery, the traditional seat of the Panchen Lamas, in Xigaze, southwest China's Tibet Autonomous Region, June 18, 2016. Tibet has entered its peak tourist season.

Tourists walk on the square of the rail station of Xigaze, southwest China's Tibet Autonomous Region.

A train from Lhasa arrives in Xigaze, southwest China's Tibet Autonomous Region, June 17, 2016. Tibet has entered its peak tourist season.