beijing

TOPSHOTS This picture taken on June 14, ...TOPSHOTS This picture taken on June 14, 2014 shows a man rising a public bicycle through a bicycle-sharing station in Beijing. Beijing is acutely aware of an increasing number of angry protests over environmental concerns in the country, where three decades of rapid and unfettered industrial expansion have taken a heavy toll. Premier Li Keqiang announced in March that Beijing was "declaring war" against pollution.   CHINA OUT   AFP PHOTOAFP/AFP/Getty Images

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A man rides a bicycle at a bicycle sharing station in Beijing. China is acutely aware of an increasing number of protests over environmental concerns in the country, where three decades of rapid and unfettered industrial expansion have taken a heavy toll. Premier Li Keqiang announced in March that Beijing was “declaring war” against pollution. Read more

A Chinese honour guard prepares for the arrival of Bangladesh Prime Minister Sheikh Hasina  and Chinese Premier Li Keqiang during a welcome ceremony outside the Great Hall of the People in Beijing on June 9,2014. Sheikh Hasina is on a visit to China from June 6 to 11.

Wang Zhao/AFP

A Chinese honour guard prepares for the arrival of Bangladesh Prime Minister Sheikh Hasina and Chinese Premier Li Keqiang outside the Great Hall of the People in Beijing, China on Monday.

A watermelon vendor takes a nap while waiting for customers during a hot day in Beijing June 5, 2014.

Kim Kyung-Hoon/Reuters

A watermelon vendor takes a nap while waiting for customers during a hot day in Beijing

Tiananmem Square Anniversary...BEIJING, CHINA - JUNE 03:  Chinese Paramilitary police stand guard near Tiananmen Square on June 4, 2014 in Beijing, China. Twenty-five years ago on June 4, 1989 Chinese troops cracked down on pro-democracy protesters and in the clashes that followed scores were killed and injured.

Kevin Frayer/Getty Images

Chinese paramilitary police stand guard near Tiananmen Square on Wednesday in Beijing. Twenty-five years ago on this day Chinese troops cracked down on pro-democracy protesters and in the clashes that followed scores were killed and injured.

A man takes a nap on a cushion which is displayed as a promotional event of a fashion brand at a shopping mall in Beijing May 30, 2014. Temperatures in Beijing on Friday reached 37 degrees Celsius (98.6 Fahrenheit) since it hit a record high of around 40 degrees Celsius (104 Fahrenheit) yesterday, the highest since 1951. The Beijing heatwave is expected to continue through the weekend, local media reported.

Kim Kyung-Hoon/Reuters

A man takes a nap on a cushion, displayed as part of a promotional event, at a shopping mall in Beijing. Temperatures in the city on Friday reached 37 degrees centigrade

Chinese commuters line-up for a security check at a subway station on May 29, 2014 in Beijing, China. Authorities have increased security in various public locations after an attack left 31 dead in the restive Xinjiang Province last week.

Kevin Frayer/Getty Images

Chinese commuters line up for a security check at a subway station on Thursday in Beijing. Authorities in China have increased security in public locations after an attack left 31 dead in the restive Xinjiang province last week

Chinese trishaw drivers take nap while waiting for customers at a hutong alley near the drum tower, a tourist spot in Beijing, China Wednesday, May 7, 2014.

Andy Wong/AP

Trishaw drivers take a nap while waiting for customers at a hutong alley near the Drum Tower, a tourist spot in Beijing, China

China Daily Life - Construction...BEIJING, CHINA - MARCH 29: Chinese workers eat lunch and rest at the site of a new subway line on March 29, 2014 in Beijing, China. The new line will be the 18th in the Beijing subway system, which has a daily ridership of more than 10 million people, according to local officials.

Kevin Frayer/Getty Images

Chinese workers break for lunch at the site of a new subway line in Beijing, China. The line will be the 18th in the Beijing subway system, which is used by more than 10m people a day, according to local officials.

US First Lady Michelle Obama (C) and Peng Liyuan, wife of Chinese President Xi Jinping are escorted by officials as they visit the Forbidden City in Beijing on March 21, 2014.  Michelle Obama arrived in Beijing with her mother and daughters to kick off a seven-day, three-city tour where she will focus on education and cultural exchange.

Andy Wong/AFP

US first lady Michelle Obama and Peng Liyuan, wife of Chinese president Xi Jinping, are escorted by officials as they visit the Forbidden City in Beijing on Friday. Mrs Obama arrived in Beijing with her mother and daughters to kick off a seven-day, three-city tour where she will focus on education and cultural exchange.

Honour guards parade before a welcoming ceremony for Saudi Crown Prince Salman bin Abdulaziz during a welcoming ceremony inside the Great Hall of the People on March 13, 2014 in Beijing, China. Saudi Crown Prince Salman bin Abdulaziz will pay a four-day state visit to China from March 13 to 16.  (Photo by Lintao Zhang/Getty Images)

Lintao Zhang/Getty Images

Honour guards parade before a welcoming ceremony for Saudi Crown Prince Salman bin Abdulaziz inside the Great Hall of the People in Beijing, China. The prince is on a four-day state visit to the country