A woman spins prayer wheels nearby the Jokhang Temple in Lhasa, capital of southwest China's Tibet Autonomous Region, Jan. 3, 2016. When slack farming season comes, farmers and herdsmen from all over Tibet start their pilgrimages to Lhasa, during which they spent months kowtowing along the roads, around mountains and spinning prayer wheels, just to pray and worship. [Photo/Xinhua]

A woman spins prayer wheels nearby the Jokhang Temple in Lhasa, capital of southwest China's Tibet Autonomous Region, Jan. 3, 2016. When slack farming season comes, farmers and herdsmen from all over Tibet start their pilgrimages to Lhasa, during which they spent months kowtowing along the roads, around mountains and spinning prayer wheels, just to pray and worship. [Photo/Xinhua]

Pilgrims pray at the entrance of the Jokhang Temple in Lhasa, capital of southwest China's Tibet Autonomous Region, Jan. 3, 2016. When slack farming season comes, farmers and herdsmen from all over Tibet start their pilgrimages to Lhasa, during which they spent months kowtowing along the roads, around mountains and spinning prayer wheels, just to pray and worship. [Photo/Xinhua]

Pilgrims spin prayer wheels nearby the Jokhang Temple in Lhasa, capital of southwest China's Tibet Autonomous Region, Jan. 3, 2016. When slack farming season comes, farmers and herdsmen from all over Tibet start their pilgrimages to Lhasa, during which they spent months kowtowing along the roads, around mountains and spinning prayer wheels, just to pray and worship. [Photo/Xinhua]

A monk lights a lamp in the Ramogia Monastery in Lhasa, capital of southwest China's Tibet Autonomous Region, Jan. 3, 2016. When slack farming season comes, farmers and herdsmen from all over Tibet start their pilgrimages to Lhasa, during which they spent months kowtowing along the roads, around mountains and spinning prayer wheels, just to pray and worship. [Photo/Xinhua]