A poster with a portrait of Chinese President Xi Jinping overlooks a street in Huangshan, Anhui province, China, September 16, 2017. The slogan reads: "Core Socialist Values: prosperity, democracy, civility, and harmony; freedom, equality, justice, rule of law; patriotism, dedication, integrity and friendship." Picture taken September 16, 2017. REUTERS/Aly Song 

A poster with a portrait of Chinese President Xi Jinping overlooks a street in Huangshan, Anhui province, China, September 16, 2017. The slogan reads: "Core Socialist Values: prosperity, democracy, civility, and harmony; freedom, equality, justice, rule of law; patriotism, dedication, integrity and friendship." Picture taken September 16, 2017. REUTERS/Aly Song 

Worker Shi Shenwei stands outside his room in an old farm house that serves as dormitory for workers of a nearby construction site of a Buddhist temple after a day's work in the village of Huangshan, near Quanzhou, Fujian Province, China, September 27, 2016. REUTERS/Thomas Peter SEARCH "BRICK CARRIER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Worker Shi Shenwei (L) listens to his uncle and foreman Shi Lijia in an old farm house that serves as dormitory for workers of a nearby construction site of a Buddhist temple in the village of Huangshan, near Quanzhou, Fujian Province, China, September 28, 2016. REUTERS/Thomas Peter SEARCH "BRICK CARRIER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Sweat runs down the temple of Shi Shenwei as he works at the construction site of a Buddhist temple in the village of Huangshan, near Quanzhou, Fujian Province, China, September 27, 2016. REUTERS/Thomas Peter SEARCH "BRICK CARRIER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Worker Shi Shenwei uses his phone at the construction site of a Buddhist temple where he works in the village of Huangshan, near Quanzhou, Fujian Province, China, September 27, 2016. REUTERS/Thomas Peter SEARCH "BRICK CARRIER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Worker Shi Shenwei (2nd L) and his colleagues and family members eat dinner in the yard of an old farm house in the village of Huangshan, near Quanzhou, Fujian Province, China, September 28, 2016. REUTERS/Thomas Peter SEARCH "BRICK CARRIER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Worker Shi Shenwei edits a video of his workout routine on his phone in an old farm house that serves as dormitory for workers of a nearby construction site of a Buddhist temple in the village of Huangshan, near Quanzhou, Fujian Province, China, September 28, 2016. REUTERS/Thomas Peter SEARCH "BRICK CARRIER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Worker Shi Shenwei (L) uses his phone in a colleague's room in an old farm house in the village of Huangshan, near Quanzhou, Fujian Province, China, September 28, 2016. Shi had to vacate his room after heavy rain leaked through the roof and wet his mattress. REUTERS/Thomas Peter SEARCH "BRICK CARRIER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Worker Shi Shenwei brushes his teeth in the yard of an old farm house that serves as dormitory for workers of a nearby construction site of a Buddhist temple in the village of Huangshan, near Quanzhou, Fujian Province, China, September 28, 2016. REUTERS/Thomas Peter SEARCH "BRICK CARRIER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Worker Shi Shenwei (R) and his grandmother prepare breakfast in the kitchen of an old farm house that serves as dormitory for workers of a nearby construction site of a Buddhist temple in the village of Huangshan, near Quanzhou, Fujian Province, China, September 28, 2016. REUTERS/Thomas Peter SEARCH "BRICK CARRIER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Worker Shi Shenwei performs a high bar routine on a scaffolding at the construction site of a Buddhist temple in the village of Huangshan, near Quanzhou, Fujian Province, China, September 28, 2016. REUTERS/Thomas Peter SEARCH "BRICK CARRIER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Worker Shi Shenwei performs a high bar routine on a scaffolding as his cousin films, at the construction site of a Buddhist temple in the village of Huangshan, near Quanzhou, Fujian Province, China, September 28, 2016. REUTERS/Thomas Peter SEARCH "BRICK CARRIER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Worker Shi Shenwei sets up his phones to record a high bar routine at the construction site of a Buddhist temple in the village of Huangshan, near Quanzhou, Fujian Province, China, September 28, 2016. REUTERS/Thomas Peter SEARCH "BRICK CARRIER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Worker Shi Shenwei performs a high bar routine on a scaffolding at the construction site of a Buddhist temple in the village of Huangshan, near Quanzhou, Fujian Province, China, September 28, 2016. REUTERS/Thomas Peter SEARCH "BRICK CARRIER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY 

Raindrops run down the back of worker Shi Shenwei as he works at the construction site of a Buddhist temple in the village of Huangshan, near Quanzhou, Fujian Province, China, September 28, 2016. REUTERS/Thomas Peter SEARCH "BRICK CARRIER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Mobile phones are piled up at a construction site to be used to record a high bar routine of worker Shi Shenwei in the village of Huangshan, near Quanzhou, Fujian Province, China, September 28, 2016. REUTERS/Thomas Peter SEARCH "BRICK CARRIER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Worker Shi Shenwei pulls a wheelbarrow at the construction site of a Buddhist temple in the village of Huangshan, near Quanzhou, Fujian Province, China, September 28, 2016. REUTERS/Thomas Peter SEARCH "BRICK CARRIER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY 

Worker Shi Shenwei hands a bucket of cement to a colleague in the shell of a Buddhist temple in the village of Huangshan, near Quanzhou, Fujian Province, China, September 27, 2016. REUTERS/Thomas Peter SEARCH "BRICK CARRIER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Worker Shi Shenwei lifts himself up at a scaffolding during work at the construction site of a Buddhist temple in the village of Huangshan, near Quanzhou, Fujian Province, China, September 27, 2016. REUTERS/Thomas Peter SEARCH "BRICK CARRIER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Worker Shi Shenwei stands in the shell of a Buddhist temple where he works in the village of Huangshan, near Quanzhou, Fujian Province, China, September 27, 2016. REUTERS/Thomas Peter SEARCH "BRICK CARRIER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Worker Shi Shenwei (R) pulls a wheelbarrow at the construction site of a Buddhist temple in the village of Huangshan, near Quanzhou, Fujian Province, China, September 27, 2016. REUTERS/Thomas Peter SEARCH "BRICK CARRIER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Worker Shi Shenwei (L) and a colleague fill a wheelbarrow with bricks at the construction site of a Buddhist temple in the village of Huangshan, near Quanzhou, Fujian Province, China, September 28, 2016. REUTERS/Thomas Peter SEARCH "BRICK CARRIER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Worker Shi Shenwei uses his phone at the construction site of a Buddhist temple in the village of Huangshan, near Quanzhou, Fujian Province, China, September 27, 2016. REUTERS/Thomas Peter SEARCH "BRICK CARRIER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Worker Shi Shenwei demonstrates his training routine on the roof of an old farm house in the village of Huangshan, near Quanzhou, Fujian Province, China, September 28, 2016. REUTERS/Thomas Peter SEARCH "BRICK CARRIER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Worker Shi Shenwei yawns after waking up in a colleague's room in an old farm house in the village of Huangshan, near Quanzhou, Fujian Province, China, September 28, 2016. Shi had to vacate his room after heavy rain leaked through the roof and wet his mattress. REUTERS/Thomas Peter SEARCH "BRICK CARRIER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY 

Worker Shi Shenwei pushes a wheelbarrow at the construction site of a Buddhist temple in the village of Huangshan, near Quanzhou, Fujian Province, China, September 27, 2016. REUTERS/Thomas Peter SEARCH "BRICK CARRIER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Worker Shi Shenwei covers his hands with magnesium at the construction site of a Buddhist temple in the village of Huangshan, near Quanzhou, Fujian Province, China, September 28, 2016. REUTERS/Thomas Peter SEARCH "BRICK CARRIER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Workers watch a screen showing Chinese President Hu Jintao delivering a speech during the opening ceremony of the 18th National Congress of the Communist Party of China, in Huangshan, Anhui province, November 8, 2012. REUTERS/Stringer (CHINA - Tags: POLITICS) 

Local farmers perform a dragon dance with a dragon made of straw at the China Huangshan Intangible Cultural Heritage Exhibition in Shexian county of Huangshan, Anhui province November 7, 2012. A total of 216 traditional forms of cultural performance and exhibits will be displayed from November 7 to 11, according to local media. REUTERS/Stringer (CHINA - Tags: ENTERTAINMENT SOCIETY) 

A waiter dressed as an ancient Chinese soldier (R) stands with attendants during a performance at the China Huangshan Intangible Cultural Heritage Exhibition in Shexian county of Huangshan, Anhui province November 7, 2012. A total of 216 traditional forms of cultural performance and exhibits will be displayed from November 7 to 11, according to local media. REUTERS/Stringer (CHINA - Tags: ENTERTAINMENT SOCIETY) 

A man rows his boat while fishing in Xin'an River in Huangshan, Anhui province, November 7, 2012. REUTERS/Stringer (CHINA - Tags: SOCIETY TPX IMAGES OF THE DAY ENVIRONMENT)