A Tibetanw woman rolls a row of prayer wheels near Jokhang Temple, in Lhasa, Tibet Autonomous Region, China, July 4, 2016. Picture taken July 4, 2016. REUTERS/Joseph Campbell

A Tibetan pilgrim prostrates herself at the Jokhang Temple in central Lhasa, Tibet Autonomous Region, China early November 20, 2015. Every day thousands of Tibetans visit and pray at Jokhang Temple, considered one of the most sacred place of worship. REUTERS/Damir Sagolj

Pilgrims pray at the Jokhang Temple in central Lhasa, Tibet Autonomous Region, China as sun rises November 20, 2015. Every day thousands of Tibetans visit and pray at Jokhang Temple, considered one of the most sacred place of worship. REUTERS/Damir Sagolj

A Tibetan man prostrates himself in front of pilgrims waiting to enter the Jokhang Temple in central Lhasa, Tibet Autonomous Region, China earlyNovember 20, 2015. Every day thousands of Tibetans visit and pray at Jokhang Temple, considered one of the most sacred place of worship. REUTERS/Damir Sagolj

Tibetan pilgrims and their children wait to enter the Jokhang Temple in central Lhasa, Tibet Autonomous Region, China early November 20, 2015. Every day thousands of Tibetans visit and pray at Jokhang Temple, considered one of the most sacred place of worship. REUTERS/Damir Sagolj

Pilgrims pray outside the Jokhang Temple in central Lhasa, Tibet Autonomous Region, China early November 20, 2015. Every day thousands of Tibetans visit and pray at Jokhang Temple, considered one of the most sacred place of worship. REUTERS/Damir Sagolj

Tibetan pilgrims share a light moment as they wait to enter the Jokhang Temple in central Lhasa, Tibet Autonomous Region, China early November 20, 2015. Every day thousands of Tibetans visit and pray at Jokhang Temple, considered one of the most sacred place of worship. REUTERS/Damir Sagolj

Pilgrims pray outside the Jokhang Temple in central Lhasa, Tibet Autonomous Region, China early November 20, 2015. Every day thousands of Tibetans visit and pray at Jokhang Temple, considered one of the most sacred place of worship. REUTERS/Damir Sagolj

Pilgrims wait to enter the Jokhang Temple in central Lhasa, Tibet Autonomous Region, China early November 20, 2015. Every day thousands of Tibetans visit and pray at Jokhang Temple, considered one of the most sacred place of worship. REUTERS/Damir Sagolj

Pilgrims pray outside the Jokhang Temple in central Lhasa, Tibet Autonomous Region, China earlyNovember 20, 2015. Every day thousands of Tibetans visit and pray at Jokhang Temple, considered one of the most sacred place of worship. REUTERS/Damir Sagolj

Tibetan pilgrims spin their prayer wheels as they walk towards the Jokhang Temple in central Lhasa, Tibet Autonomous Region, China early November 20, 2015. Every day thousands of Tibetans visit and pray at Jokhang Temple, considered one of the most sacred place of worship. REUTERS/Damir Sagolj

Tibetan pilgrims and their children wait to enter the Jokhang Temple in central Lhasa, Tibet Autonomous Region, China early November 20, 2015. Every day thousands of Tibetans visit and pray at Jokhang Temple, considered one of the most sacred place of worship. REUTERS/Damir Sagolj

Pilgrims pray outside the Jokhang Temple in central Lhasa, Tibet Autonomous Region, China early November 20, 2015. Every day thousands of Tibetans visit and pray at Jokhang Temple, considered one of the most sacred place of worship. REUTERS/Damir Sagolj

Pilgrims struggle at narrow entrance as they wait to enter the Jokhang Temple in central Lhasa, Tibet Autonomous Region, China early November 20, 2015. Every day thousands of Tibetans visit and pray at Jokhang Temple, considered one of the most sacred place of worship. REUTERS/Damir Sagolj

A Tibetan man prostrates himself as pilgrims walk toward the Jokhang Temple in central Lhasa, Tibet Autonomous Region, China as sun rises November 20, 2015. Every day thousands of Tibetans visit and pray at Jokhang Temple, considered one of the most sacred place of worship. REUTERS/Damir Sagolj

Pilgrims pray outside the Jokhang Temple in central Lhasa, Tibet Autonomous Region, China early November 20, 2015. Every day thousands of Tibetans visit and pray at Jokhang Temple, considered one of the most sacred place of worship. REUTERS/Damir Sagolj

Pilgrims have hot yak butter tea after visiting the Jokhang Temple in central Lhasa, Tibet Autonomous Region, China November 20, 2015. Every day thousands of Tibetans visit and pray at Jokhang Temple, considered one of the most sacred place of worship. REUTERS/Damir Sagolj

Pilgrims pray outside the Jokhang Temple in central Lhasa, Tibet Autonomous Region, China early November 20, 2015. Every day thousands of Tibetans visit and pray at Jokhang Temple, considered one of the most sacred place of worship. REUTERS/Damir Sagolj

Pilgrims wait to enter the Jokhang Temple in central Lhasa, Tibet Autonomous Region, China early November 20, 2015. Every day thousands of Tibetans visit and pray at Jokhang Temple, considered one of the most sacred place of worship. REUTERS/Damir Sagolj

Pilgrims wait to enter the Jokhang Temple in central Lhasa, Tibet Autonomous Region, China November 20, 2015. Every day thousands of Tibetans visit and pray at Jokhang Temple, considered one of the most sacred place of worship. REUTERS/Damir Sagolj TPX IMAGES OF THE DAY

Pilgrims pray outside the Jokhang Temple in central Lhasa, Tibet Autonomous Region, China, at dawn November 20, 2015. Every day, thousands of Tibetans visit and pray at Jokhang Temple, considered one of the most sacred places of worship. REUTERS/Damir Sagolj

Pilgrims pray outside the Jokhang Temple in central Lhasa, Tibet Autonomous Region, China, before the sunrise November 20, 2015. Every day, thousands of Tibetans visit and pray at Jokhang Temple, considered one of the most sacred places of worship. REUTERS/Damir Sagolj

Pilgrims struggle at the narrow entrance outside the Jokhang Temple in central Lhasa, Tibet Autonomous Region, China November 20, 2015. Every day, thousands of Tibetans visit and pray at Johkang Temple, considered one of the most sacred places of worship. REUTERS/Damir Sagolj

Pilgrims pray outside the Jokhang Temple in central Lhasa, Tibet Autonomous Region, China, as the sun rises November 20, 2015. Every day thousands of Tibetans visit and pray at Jokhang Temple, considered one of the most sacred places of worship. REUTERS/Damir Sagolj

Pilgrims walk towards the Jokhang Temple in central Lhasa, Tibet Autonomous Region, China, as the sun rises November 20, 2015. Every day thousands of Tibetans visit and pray at Jokhang Temple, considered one of the most sacred places of worship. REUTERS/Damir Sagolj

Pilgrims pray outside the Jokhang Temple in central Lhasa, Tibet Autonomous Region, China, at dawn November 20, 2015. Every day thousands of Tibetans visit and pray at Jokhang Temple, considered one of the most sacred places of worship. REUTERS/Damir Sagolj TPX IMAGES OF THE DAY

A boy (C) holds his mother's hand as they queue to get in the Jokhang Monastery in Lhasa, Tibet autonomous region, March 9, 2014. REUTERS/Jacky Chen (CHINA - Tags: RELIGION SOCIETY)

Tibetan monks engage in a religious debate inside Jokhang temple in Lhasa, Tibet Autonomous Region in this November 24, 2009 file photograph. For Tibetans living near the birthplace of the Dalai Lama, one question is very much on their minds these days -- who will succeed the ageing exiled spiritual leader once he dies? To match feature CHINA-DALAILAMA/ REUTERS/Nir Elias/Files (CHINA - Tags: SOCIETY RELIGION)

Tibetan monks engage in a religious debate inside Jokhang temple in Lhasa, Tibet Autonomous Region November 24, 2009.
REUTERS/Nir Elias (CHINA SOCIETY RELIGION)

Tibetan monks engage in a religious debate inside Jokhang temple in Lhasa, Tibet Autonomous Region November 24, 2009.
REUTERS/Nir Elias (CHINA SOCIETY RELIGION)

Tibetan monks engage in a religious debate inside Jokhang temple in Lhasa, Tibet Autonomous Region November 24, 2009.
REUTERS/Nir Elias (CHINA SOCIETY RELIGION)

A Tibetan monk walks on a roof inside the Jokhang temple in Lhasa, Tibet Autonomous Region November 24, 2009.
REUTERS/Nir Elias (CHINA SOCIETY RELIGION)

A Tibetan monk gestures as he engages in a religious debate inside Jokhang temple in Lhasa, Tibet Autonomous Region November 24, 2009. REUTERS/Nir Elias (CHINA RELIGION SOCIETY)

A Tibetan monk waits for the beginning of a religious debate session with other monks inside Jokhang temple in Lhasa, Tibet Autonomous Region November 24, 2009. REUTERS/Nir Elias (CHINA RELIGION SOCIETY IMAGES OF THE DAY)

Tibetan monks engage in a religious debate inside Jokhang temple in Lhasa, Tibet Autonomous Region November 24, 2009. REUTERS/Nir Elias (CHINA SOCIETY RELIGION)

Tibetan monks engage in religious debates inside Jokhang temple in Lhasa, Tibet Autonomous Region November 24, 2009. REUTERS/Nir Elias (CHINA RELIGION SOCIETY)

Tibetan monks engage in religious debates inside Jokhang temple in Lhasa, Tibet Autonomous Region November 24, 2009. REUTERS/Nir Elias (CHINA RELIGION SOCIETY)

Tibetan pilgrims rest outside a room dedicated to lighting yak butter lamps at Jokhang Temple in Lhasa, Tibet February 10, 2009. Fresh unrest in Tibet cannot be ruled out nearly a year after riots in the regional capital Lhasa because Tibet's exiled spiritual leader, the Dalai Lama, is determined to foment trouble, Chinese officials said on Tuesday. Picture taken February 10, 2009. REUTERS/Emma Graham-Harrison (CHINA)

A woman lights yak butter lamps in a room set aside for this purpose outside Jokhang Temple in Lhasa, Tibet February 10, 2009. Fresh unrest in Tibet cannot be ruled out nearly a year after riots in the regional capital Lhasa because Tibet's exiled spiritual leader, the Dalai Lama, is determined to foment trouble, Chinese officials said on Tuesday. Picture taken February 10, 2009. REUTERS/Emma Graham-Harrison (CHINA)

Pilgrims walk around the Jokhang Temple in Lhasa in the Tibet Autonomous Region July 5, 2006. Jokhang Temple is one of the most sacred place of worship among Tibetans and was built in the mid-seventh century by Songzain Gambo for the Tang Princess Wen Cheng and Nepalese Princess Bhrikuti. REUTERS/Claro Cortes IV (CHINA)

A pilgrim prays at the Jokhang Temple in Lhasa in the Tibet Autonomous Region July 5, 2006. Jokhang Temple is one of the most sacred place of worship among Tibetans and was built in the mid-seventh century by Songzain Gambo for the Tang Princess Wen Cheng and Nepalese Princess Bhrikuti. REUTERS/Claro Cortes IV (CHINA)

An ethnic Tibetan woman stands in front of the Jokhang Temple in Lhasa, Tibet, June 30, 2006. REUTERS/Jason Lee (CHINA)

A pilgrim prays in front of the Jokhang Temple in Lhasa, Tibet, June 30, 2006. REUTERS/Jason Lee (CHINA)

Ethnic Tibetan women walk in front of the Jokhang Temple in Lhasa, Tibet, June 30, 2006. REUTERS/Jason Lee (CHINA)

A man hangs up a Chinese flag at the Jokhang Temple in Lhasa, Tibet, June 30, 2006. REUTERS/Jason Lee (CHINA)

A pilgrim spins her prayer wheel in front of the Jokhang Temple in Lhasa, Tibet, June 30, 2006. REUTERS/Jason Lee (CHINA)

A Tibetan man and his son who sell traditional yak butter tea to pilgrims stand outside Jokhang Temple in Lhasa, Tibet, western China, in this picture taken August 13, 2004. Most Tibetans are herders and nomads, their average per capita income in 2003 estimated by officials at 1,690 yuan ( $204.84), up 11 percent from a year earlier. China has denied an accusation of conducting a massive ethnic Chinese migration to dilute the Tibetan population. Picture taken August 13, 2004. REUTERS/Andrew Wong ASW/SH

Tibetan pilgrims pray outside Jokhang Temple in Lhasa, Tibet, August 13, 2004. The Buddhist temple is the holiest Tibetan shrine and where the Dalai Lama's throne has been kept empty since he fled China in 1959. Picture taken August 13, 2004. REUTERS/Andrew Wong NO RIGHTS CLEARANCES OR PERMISSIONS ARE REQUIRED FOR THIS IMAGE ASW/TW

Tibetan pilgrims pray outside Jokhang Temple in Lhasa, Tibet, August 13, 2004. The Buddhist temple is the holiest Tibetan shrine and where the Dalai Lama's throne has been kept empty since he fled China in 1959. Picture taken August 13, 2004. REUTERS/Andrew Wong ASW/TW

A Tibetan pilgrim prostrates as a scholar reads Buddhism scripture at Jokhang Temple in Lhasa, Tibet, August 13, 2004. The Buddhist temple is the holiest Tibetan shrine and where the Dalai Lama's throne has been kept empty since he fled China in 1959. Picture taken August 13, 2004. REUTERS/Andrew Wong NO RIGHTS CLEARANCES OR PERMISSIONS ARE REQUIRED FOR THIS IMAGE ASW/TW

Tibetan pilgrims prostrate outside Jokhang Temple in Lhasa, Tibet, August 13, 2004. The Buddhist temple is the holiest Tibetan shrine and where the Dalai Lama's throne has been kept empty since he fled China in 1959. Picture taken August 13, 2004. REUTERS/Andrew Wong ASW/TW

Tibetan pilgrims prostrate outside Jokhang Temple in Lhasa, Tibet, August 13, 2004. The Buddhist temple is the holiest Tibetan shrine and where the Dalai Lama's throne has been kept empty since he fled China in 1959. Picture taken August 13, 2004. REUTERS/Andrew Wong ASW

A Tibetan pilgrim prostrates outside Jokhang Temple in Lhasa, Tibet, August 13, 2004. The Buddhist temple is the holiest Tibetan shrine and where the Dalai Lama's throne has been kept empty since he fled China in 1959. Picture taken August 13, 2004. REUTERS/Andrew Wong NO RIGHTS CLEARANCES OR PERMISSIONS ARE REQUIRED FOR THIS IMAGE ASW/TW

A Tibetan pilgrim burns incense outside Jokhang Temple in Lhasa, Tibet, August 13, 2004. The Buddhist temple is the holiest Tibetan shrine and where the Dalai Lama's throne has been kept empty since he fled China in 1959. Picture taken August 13, 2004. REUTERS/Andrew Wong NO RIGHTS CLEARANCES OR PERMISSIONS ARE REQUIRED FOR THIS IMAGE ASW/TW

Tibetan pilgrims walk past prayer wheels at Jokhang Temple in Lhasa, Tibet, August 13, 2004. The Buddhist temple is the holiest Tibetan shrine and where the Dalai Lama's throne has been kept empty since he fled China in 1959. Picture taken August 13, 2004. REUTERS/Andrew Wong RIGHTS ASW/TW

Tibetan pilgrims walk through Jokhang Temple in Lhasa, Tibet, August 13, 2004. The Buddhist temple is the holiest Tibetan shrine and where the Dalai Lama's throne has been kept empty since he fled China in 1959. Picture taken August 13, 2004. REUTERS/Andrew Wong ASW/TW

Tibetan pilgrims walk through Jokhang Temple in Lhasa, Tibet, August 13, 2004. The Buddhist temple is the holiest Tibetan shrine and where the Dalai Lama's throne has been kept empty since he fled China in 1959. Picture taken August 13, 2004. REUTERS/Andrew Wong NO RIGHTS CLEARANCES OR PERMISSIONS ARE REQUIRED FOR THIS IMAGE ASW/TW

A Tibetan pilgrim walks through Jokhang Temple in Lhasa, Tibet, August 13, 2004. The Buddhist temple is the holiest Tibetan shrine and where the Dalai Lama's throne has been kept empty since he fled China in 1959. Picture taken August 13, 2004. REUTERS/Andrew Wong NO RIGHTS CLEARANCES OR PERMISSIONS ARE REQUIRED FOR THIS IMAGE ASW

-PHOTO TAKEN 25AUG03- Tibetan monks debate Buddhist philosophy at Jokhang Temple in Lhasa, which is 3.6 km (2.2 miles) above sea level, Tibet, August 25, 2003. China says Tibetan Buddhists are allowed to workship with total freedom but Tibetan activitists overseas say religious activity is strictly controlled.

A TIBETAN PLIGRIM SPINS HER PRAYER WHEEL AS SHE WALKS PAST CHINESE
POLICEMAN AND SECURITY GUARD IN FRONT OF JOKHANG TEMPLE IN LHASA.