Farmers pick marigolds in Minzu village, Weining County, Guizhou, China on August 3, 2015 where there are more than 1,500 hectares (3,750 acres) of the flower fields. (Photo by Yang Wenbin/Xinhua Press/Corbis)

Girls take a selfie in a house where “flowers” cover all the space with the help of a projector at Plaza 66 on August 5, 2015 in Shanghai, China. (Photo by ChinaFotoPress/ChinaFotoPress via Getty Images)

An aerial view shows parts of a street next to a construction site collapse, in Foshan, Guangdong province, China, July 26, 2015. The approximately 60-metre-long, 15-metre-wide cave-in occurred on Sunday morning, blocking part of the street. No one was injured during the incident, local media reported. (Photo by Guo Jijiang/Reuters/Southern Metropolis Daily)

An aerial view shows parts of a street next to a construction site collapse, in Foshan, Guangdong province, China, July 26, 2015. (Photo by Guo Jijiang/Reuters/Southern Metropolis Daily)

Part of a propaganda banner which reads, “Prevent and reject the Church of Almighty God's cult invasions”, is seen at an outdoor exercising court, in Puyang, Henan province, China, in this file picture taken January 12, 2012. The founder of modern China, Mao Zedong, banned fortune telling and superstition in puritan, communist China after the 1949 revolution, but the occult has made a comeback since the still officially atheist country embraced economic reforms and began opening up in the late 1970s. One of the many “cults” the government has banned in recent years, is the Church of Almighty God, called not only for the “slaying of the red dragon” Communist Party, but also predicted the end of the world in 2012. (Photo by Reuters/Stringer)

A 500 meter aperture spherical telescope (FAST) is seen in construction in Pingtang county, Guizhou province, July 28, 2015. According to local media, the telescope will be put into use by September, 2016 and will become the largest in the world. China invested 667 million yuan in the construction and only the site selection took 15 years. (Photo by Reuters/Stringer)

Investors look at computer screens showing stock information at a brokerage house in Beijing, China, July 29, 2015. China stocks ended a three-day slide and recorded its biggest daily gain in 1-1/2 weeks on Wednesday, after Beijing reiterated its determination to stabilize its volatile equity markets. (Photo by Reuters/Stringer)

Farmers transplant rice seedlings on a paddy field in Daxiang village of Liuzhou, Guangxi Zhuang Autonomous Region, China, July 30, 2015. Global rice prices are likely to surge by 10 percent to 20 percent in the next few months as an El Nino weather pattern grips top producers in Asia, baking the region's croplands and whittling down stocks of the grain to multi-year lows. (Photo by Reuters/China Daily)

A farmer drives his buffalo to plow a paddy field in Daxiang village of Liuzhou, Guangxi Zhuang Autonomous Region, China, July 30, 2015. (Photo by Reuters/China Daily)

Sheep look out from a gate at a village near Dolomiti Mountain Resort in Chongli county of Zhangjiakou, jointly bidding to host the 2022 Winter Olympic Games with capital Beijing, July 31, 2015. Beijing, which hosted the 2008 Summer Olympics Games, hopes to beat Almaty, Kazakhstan, and win the 2022 Winter Olympics, when a decision is made on Friday in the Malaysian capital, Kuala Lumpur. (Photo by Jason Lee/Reuters)

A local villager carries a pail in his sheepfold near Dolomiti Mountain Resort in Chongli county of Zhangjiakou, jointly bidding to host the 2022 Winter Olympic Games with capital Beijing, July 31, 2015. (Photo by Jason Lee/Reuters)

A local villager holds her grandson outside her sheepfold near Dolomiti Mountain Resort in Chongli county of Zhangjiakou, jointly bidding to host the 2022 Winter Olympic Games with capital Beijing, July 31, 2015. (Photo by Jason Lee/Reuters)

A local villager walks out of his sheepfold near Dolomiti Mountain Resort in Chongli county of Zhangjiakou, jointly bidding to host the 2022 Winter Olympic Games with capital Beijing, July 31, 2015. (Photo by Jason Lee/Reuters)

A local villager takes a nap beside a road at a village near Dolomiti Mountain Resort in Chongli county of Zhangjiakou, jointly bidding to host the 2022 Winter Olympic Games with capital Beijing, July 31, 2015. (Photo by Jason Lee/Reuters)

The installation of the first steel box girder onto a large-span suspension bridge over Longjiang River is seen in Baoshan, Yunnan province, July 30, 2015. The 2,470 metre long bridge will become the biggest suspension bridge in Asia's mountainous area when the three-year-long project finishes by June 2016, with an estimated cost 1,465,000,000 yuan ($236,011,500). (Photo by Reuters/Stringer)

The installation of the first steel box girder onto a large-span suspension bridge over Longjiang River is seen in Baoshan, Yunnan province, July 30, 2015. (Photo by Reuters/Stringer)

Workers look at the first steel box girder as it's installed onto a large-span suspension bridge over Longjiang River, Baoshan, Yunnan province, July 30, 2015. (Photo by Reuters/Stringer)

Local residents celebrate with a banner “We succeeded!” after Beijing was chosen to host the 2022 Winter Olympics at a square in Chongli county of Zhangjiakou, jointly bidding to host the 2022 Winter Olympic Games with capital Beijing, July 31, 2015. Beijing was chosen by the International Olympic Committee (IOC) to host the 2022 Winter Olympics on Friday, becoming the first city to be awarded both summer and winter Games. (Photo by Jason Lee/Reuters)

People celebrate after Beijing was chosen to host the 2022 Winter Olympics at the Bird's Nest Olympic stadium in Beijing July 31, 2015. (Photo by Damir Sagolj/Reuters)

Former NBA player Yao Ming, also a member of the Beijing 2022 delegation, is welcomed as he returns with other delegates at the airport in Beijing, China, August 2, 2015. Beijing was chosen by the International Olympic Committee (IOC) to host the 2022 Winter Olympics on Friday, becoming the first city to be awarded both summer and winter Games. (Photo by Reuters/Stringer)

A man in traditional Chinese emperor costume (R) gestures as he and other participants ride their bicycles along a street, during a cycling event in Datong, Shanxi province, China, August 2, 2015. The event, requiring participants to wear Chinese traditional clothing and tour on their bikes around the city, is part of an annual international cycling gathering which will be held from August 1 to 3, local media reported. (Photo by Reuters/China Daily)

A boy reacts as a wave hits him on a algae-covered beach in Qingdao, Shandong province, China, August 2, 2015. (Photo by Reuters/China Daily)

A Tibetan herdsman rests at her tent in Aba Tibetan and Quango Autonomous Prefecture, Sichuan province, August 1, 2015. (Photo by Natalie Thomas/Reuters)

A Tibetan family spin their prayer wheels as they demonstrate to journalists at their new house in Aba Tibetan and Qiang Autonomous Prefecture, Sichuan province, July 30, 2015. (Photo by Natalie Thomas/Reuters)

Horses for rent are sen on grasslands in Aba Tibetan and Qiang Autonomous Prefecture, Sichuan province, August 1, 2015. (Photo by Natalie Thomas/Reuters)

Tibetan herdsmen family live in a tent during summer in Aba Tibetan and Qiang Autonomous Prefecture, Sichuan province, August 1, 2015. (Photo by Natalie Thomas/Reuters)

A Tibetan herdsman displays his radio at his new house in Aba Tibetan and Qiang Autonomous Prefecture, Sichuan province, July 30, 2015. (Photo by Natalie Thomas/Reuters)

A guest house owner poses in front of his property with posters of China's late Chairman Mao Zedong and leader Deng Xiaoping on the wall, in Aba Tibetan and Qiang Autonomous Prefecture, Sichuan province, July 30, 2015. (Photo by Natalie Thomas/Reuters)

A woman (bottom) balance two men with her feet as students practice at an acrobatic school in Sanwang village, Anhui province, China, July 30, 2015. Over 100 students, mostly young children are currently studying at the school. Most of them came from rural area of Henan, Shandong, Jiangsu and Anhui provinces. Starting at 4 a.m. every morning, students practice an average of 10 hours. The training usually lasts from one month to over a year. (Photo by Reuters/Stringer)

Students toss hats as they practice at an acrobatic school in Sanwang village, Anhui province, China, July 31, 2015. (Photo by Reuters/Stringer)

Travellers react as the highway from Beijing to China's Hebei Province is reopened, after in was closed due to low visibility on a heavy polluted morning August 3, 2015. (Photo by Damir Sagolj/Reuters)

A man selling inflatable pools protects himself with a mask on a heavy polluted day inTangshan in China's Hebei Province August 3, 2015. (Photo by Damir Sagolj/Reuters)

A woman holds a child as travellers wait for the highway from Beijing to China's Hebei Province to reopen after in was closed due to low visibility, on a heavy polluted morning August 3, 2015. (Photo by Damir Sagolj/Reuters)

A dog and other travellers wait for the highway from Beijing to China's Hebei Province to reopen after in was closed due to low visibility, on a heavy polluted morning August 3, 2015. (Photo by Damir Sagolj/Reuters)

Women dressed as mermaids swim in a river, as part of a promotional campaign at a tourism resort in Yongshun county, Hunan province, China, August 4, 2015. (Photo by Reuters/Stringer)

People cool down under a sprinkler in a water park in Shanghai on August 5, 2015. Typhoon Soudelor is set to bring an end to the heatwave affecting the region over the weekend, according to local reports. (Photo by Johannes Eisele/AFP Photo)

Chinese People's Liberation Army (PLA) officers look over a map of their military positions with their brides after a mass wedding for 14 military couples in Heihe in northeastern China's Heilongjiang province Saturday, August 1, 2015. Saturday is Army Day in China, a holiday commemorating the establishment of the PLA. (Photo by Chinatopix Via AP Photo)

Staff members at an appliance store watch as officials from the local bureau of Quality and Technical Supervision inspect an escalator in Yongchuan district in southwest China's Chongqing Municipality Thursday July 30, 2015. The recent escalator accident that killed a woman in the central China city of Jingzhou has raised the public's awareness of escalator safety. (Photo by Color China Photo via AP Photo)

A fisherman boats in Chao Lake where thick cyanobacteria gather on the surface on August 5, 2015 in Chaohu, Anhui Province of China. As high temperature came in summar, part of water in Anhui Province's Chao Lake breeds large tracts of cyanobacteria which not only brought pollution to sense of smell, but also affected people's life. (Photo by ChinaFotoPress/ChinaFotoPress via Getty Images)

A Chinese woman walks in amidst flowers in her bridal gown during a photo shoot at the Landiao Zhuangyuan or Blues Manor Lavender Garden in Beijing, China, 26 July 2015. As China develops and becomes more urbanized, farms around big cities like Beijing are moving away from pure agriculture to integrate more leisure and tourism activities to attract city dwellers wishing for a different experience. (Photo by How Hwee Young/EPA)

People rest and sleep on couches at a IKEA store to escape the summer heat in Hangzhou, Zhejiang province, China, August 4, 2015. The local temperature reached as high as 39 degrees Celsius (102 degrees Fahrenheit) on Tuesday, according to local media. (Photo by Reuters/China Daily)

Investors look at screens showing stock market movements at a securities company in Beijing on July 28, 2015. Chinese shares sank on July 28, a day after Shanghai's steepest one-day slide in eight years, defying renewed government vows of support that analysts warned were not enough to soothe nervous investors. (Photo by Fred Dufour/AFP Photo)

This picture taken on August 4, 2015 shows residents using nets to catch fish in a park inundated by floodwaters from the overflowing Yong river in Nanning, southern China's Guangxi province. (Photo by AFP Photo)

A girl with a swimming ring cools down in a water park in Shanghai on August 5, 2015. Typhoon Soudelor is set to bring an end to the heatwave affecting the region over the weekend, according to local reports. (Photo by Johannes Eisele/AFP Photo)