A Chinese family member uses a selfie stick to take a photo of themselves in front of Tiananmen Gate in Beijing, China, Thursday, April 30, 2015. Selfie sticks are gaining popularity in China, and many people are using them at popular tourist destinations. (Photo by Andy Wong/AP Photo)

Chinese teenagers use their smartphones as they stand on a bridge decorated with carved stone lions at the Fragrant Hills Park in suburban Beijing, Monday, May 4, 2015. The park, once the home of imperial gardens for China's emperors, is now an attraction popular with both locals and tourists in Beijing. (Photo by Mark Schiefelbein/AP Photo)

In this May 6, 2015 photo, a tourist from China's Inner Mongolia Province takes a photo of a statue of a bull in Beijing. After months of cheerleading for rising prices, China's leaders are trying to tap the brakes on a stock market boom that could run out of control and disrupt economic reform plans. (Photo by Mark Schiefelbein/AP Photo)

A vendor pours fresh Tsingtao beer into a plastic bag in her street beer shop in Qingdao, Shandong province July 5, 2008. (Photo by Nir Elias/Reuters)

A man spins a Chinese traditional top, called “kongzhu”, at a square in Handan, Hebei province, China, April 26, 2015. More than 50 fans perform at a local Kongzhu event on Sunday, according to local media. (Photo by Reuters/Stringer)

A man covers his face as he rides a bicycle along a street during a sandstorm, in Wujiaqu, Xinjiang Uighur Autonomous Region April 27, 2015. Affected by the cold air, large areas of Xinjiang saw dusty weather from Monday, and the temperature will fall by eight degree centigrade, according to local meteorological authorities, state television reported. (Photo by Reuters/Stringer)

A man drives a boat along a river polluted by leaked fuel, in Shaoxing, Zhejiang province, China, April 29, 2015. China will ban water-polluting paper mills, oil refineries, pesticide producers and other industrial plants by the end of 2016, as it moves to tackle severe pollution of the country's water supply. The long-awaited plan comes as the central government steps up its “war on pollution” after years of industrial development that have left one-third of China's major river basins and 60 percent of its underground water contaminated. (Photo by Reuters/Stringer)

A woman sits between piles of corn as she removes the husks on a road located on the outskirts of Beijing, in this October 16, 2012 file picture. China will give a total of 57.8 billion yuan ($9.32 billion) to grain farmers as part of efforts to deepen rural reform, promote modern agriculture and raise incomes for farmers, state news agency Xinhua said. (Photo by David Gray/Reuters)

A farmer dries newly harvested corn cobs near her field in Zhuliang village of Qingzhou, Shandong province, in this September 27, 2013 file picture. (Photo by Reuters/China Daily)

A cyclist rides along a street in the snow in Yakeshi, Inner Mongolia Autonomous Region, China, May 3, 2015. Picture taken May 3, 2015. (Photo by Reuters/China Daily)

A man stands in front of a sculpture at a financial district in Beijing, China, May 5, 2015. (Photo by Kim Kyung-Hoon/Reuters)

A couple rides a bicycle at a financial district in Beijing, China, May 5, 2015. (Photo by Kim Kyung-Hoon/Reuters)

People look at a traffic accident site in Shenyang, Liaoning province, China, May 4, 2015. A car was driven into a wall of a construction site after the driver lost control on Monday, according to local media. (Photo by Reuters/China Daily)

A road is being repaired after it collapsed in a heavy rain, in Guangzhou, Guangdong province, China, May 4, 2015. (Photo by Reuters/Stringer)

A road is being repaired after it collapsed in a heavy rain, in Guangzhou, Guangdong province, China, May 4, 2015. (Photo by Reuters/Stringer)

A man works at a bamboo processing factory in Longyou, Zhejiang province, China, May 5, 2015. China's factories suffered their fastest drop in activity in a year in April as new orders shrank, a private business survey showed on Monday, hardening the case for fresh stimulus measures to halt a slowdown in the world's second-largest economy. (Photo by William Hong/Reuters)

People line up to apply for teaching jobs at the local education bureau, in Lianyungang, Jiangsu province, China, May 6, 2015. (Photo by Reuters/China Daily)

Construction workers take a nap in front of a wall of a construction site during their lunch break in Beijing, China, May 5, 2015. As growth in China's sagging economy looks on the verge of spilling below 7 percent, officials worried about a spike in unemployment are pulling out all the stops to avoid mass lay-offs. (Photo by Kim Kyung-Hoon/Reuters)

Lu Baoping, a 97-year-old Chinese veteran who fought against Japan during World War Two, shakes hands with a Russian diplomat as he receives a commemorative medal marking the 70th anniversary of the victory of the Great Patriotic War, in Yichang, Hubei province, China, May 7, 2015. (Photo by Reuters/Stringer)

He Peiqi, lies as he poses for photographs next to a replica of Chongqing city that he made out of coins, in Chongqing municipality, China, May 10, 2015. He, in his 30s, collects and trades different types of coins for a living. The replica of Chongqing took him a month and more than 50,000 coins, including both ancient and modern Chinese coins and some foreign currencies coins, local media reported. (Photo by Reuters/Stringer)

A view shows tourists visiting a newly-built full-scale replica of the Old Summer Palace, also known as Yuanmingyuan, in Dongyang, Zhejiang province, China, May 9, 2015. The replica, partially opened to tourists on Sunday, is aiming to reconstruct 95 percent of the original architecture of the Old Summer Palace in Beijing, which was destroyed in 1860 by British and French troops. The total investment of the entire project reached 30 billion yuan ($4.83 billion USD), and is expected to complete in 2016, according to local media. (Photo by Reuters/Stringer)

A aerial view shows tourists visiting a newly-built full-scale replica of the Old Summer Palace, also known as Yuanmingyuan, in Dongyang, Zhejiang province, China, May 9, 2015. (Photo by Reuters/Stringer)

A smoker walks past Chinese national flags in front of a restaurant in Beijing, China, May 11, 2015. China is set to raise the wholesale tax rate for cigarettes to 11% from 5%, the Ministry of Finance said on Friday, in a move to deter smokers in the world's biggest maker and consumer of tobacco. (Photo by Kim Kyung-Hoon/Reuters)

A man sleeps on a bench near government slogans “Prosperous, democratic, civilized and harmonious, top left”, on a street in Beijing, Tuesday, May 5, 2015. Government propaganda are a common sight in the Chinese capital, a remainder it is also the political center of China. (Photo by Ng Han Guan/AP Photo)

A child rests as visitors take souvenir photos near the replica of Germany's Neuschwanstein Castle at the World Park in Beijing, China, Saturday, May 2, 2015. Millions of Chinese are taking advantage of the May Day holidays to visit popular tourist sites. (Photo by Andy Wong/AP Photo)

A groom reacts next to his bride as they pose for wedding photo against the replica of Eiffel Tower on display at the World Park in Beijing, China, Saturday, May 2, 2015. (Photo by Andy Wong/AP Photo)

A woman uses a selfie stick to take souvenir photo as visitors tour near the replica of France's Arch of Triumph and Eiffel Tower on display at the World Park in Beijing, China, Saturday, May 2, 2015. (Photo by Andy Wong/AP Photo)

A woman uses a selfie stick to take souvenir photo of herself next to a bride and groom posing for wedding photos against a replica Germany's Neuschwanstein Castle at the World Park in Beijing, China, Saturday, May 2, 2015. (Photo by Andy Wong/AP Photo)

A bird in a cage is hung on a branch along a roadside near the Forbidden City in Beijing on May 3, 2015. (Photo by Wang Zhao/AFP Photo)

A boy watches as another boy play with balls, during a sandstorm in Kashgar city in northwestern China's Xinjiang Uighur Autonomous Region, Sunday, May 10, 2015. (Photo by Chinatopix Via AP Photo)

A Chinese girl rides her scooter past a bed of blooming flowers at the Fragrant Hills Park in suburban Beijing, Monday, May 4, 2015. The park, once the home of imperial gardens for China's emperors, is now an attraction popular with both locals and tourists in Beijing. (Photo by Mark Schiefelbein/AP Photo)

A boy prepares to wear the costume of a Qing dynasty emperor for a portrait session at a park near the Forbidden City in Beijing on May 3, 2015. China will create a “blacklist” of its tourists who behave badly overseas, state-media reported, after several embarrassing incidents involving Chinese travelling abroad. (Photo by Wang Zhao/AFP Photo)

Two elderly women perform a dance at a park near the Forbidden City in Beijing on May 3, 2015. (Photo by Wang Zhao/AFP Photo)

An elderly man sits on a hobby horse at a residential area in Beijing on May 4, 2015. (Photo by Wang Zhao/AFP Photo)

A family walks out of an underpass near the Forbidden City in Beijing on May 3, 2015. (Photo by Wang Zhao/AFP Photo)

An elderly man does physical exercise at a park near the Forbidden City in Beijing on May 3, 2015. (Photo by Wang Zhao/AFP Photo)

A family (C) looks on after visiting the Forbidden City in Beijing on May 3, 2015. (Photo by Wang Zhao/AFP Photo)

An elderly man (C) practices singing at a park in Beijing on May 3, 2015. (Photo by Wang Zhao/AFP Photo)

Vendors peddling fancy dress portraits of tourists wait for visitors at a park near the Forbidden City in Beijing on May 3, 2015. (Photo by Wang Zhao/AFP Photo)

A family uses a selfie stick to take a photo after visiting the Forbidden City in Beijing on May 3, 2015. (Photo by Wang Zhao/AFP Photo)

Two chinese women walk after visiting the Forbidden City in Beijing on May 3, 2015. (Photo by Wang Zhao/AFP Photo)

An elderly man uses a selfie stick to take a photo at a park near the Forbidden City in Beijing on May 3, 2015. (Photo by Wang Zhao/AFP Photo)

Two vendors wearing Qing dynasty clothing wait for visitors to take photos at a park near the Forbidden City in Beijing on May 3, 2015. (Photo by Wang Zhao/AFP Photo)

In this Saturday, March 7, 2015 photo, a woman waits in front of the headquarters of the Bank of China as security guards patrol the building in Beijing. At least three prominent Chinese banks, including the Bank of China, serve as safe havens for counterfeiters, who use them to process credit card payments for fakes or move their money around the globe, The Associated Press has found. (Photo by Ng Han Guan/AP Photo)

People ride a roller-coaster at Xiedao's theme park during a May Day holiday in Beijing, China, Friday, May 1, 2015. (Photo by Andy Wong/AP Photo)

Local villagers ride a local coal powered steam train on March 27, 2015 at a station in the town of Shixi , Sichuan Province, in Southern China. While China boasts the world's most extensive high-speed rail infrastructure with over 16,000 kilometers of track, the Shixi-Bagou railway is still a primary connection for local villagers between towns and is kept alive by tourist cars carrying passengers for ten times the price. The rail line came into service in the late 1950s and the train was initially used to transport coal from a now-shuttered mine before passenger carriages were added. (Photo by Kevin Frayer/Getty Images)

A man looks at his mobile phone while resting beside a car park in Beijing on April 30, 2015. (Photo by Greg Baker/AFP Photo)

A delivery man for a florist dressed as a clown makes his rounds past government slogans calling for deepening reforms in Beijing Tuesday, May 5, 2015. Government propaganda is a common sight in the Chinese capital, a reminder it is also the political center of China. (Photo by Ng Han Guan/AP Photo)