beijing

A woman wears a mask as she visits the Forbidden City during a sunny day in Beijing Friday, Dec. 18, 2015. Residents in the Chinese capital are preparing for its second smog red alert as a wave of smog is forecasted to settle over the city from Saturday to Tuesday.

Ng Han Guan/AP

A woman wears a mask as she visits the Forbidden City during a sunny day in Beijing Friday. Residents in the Chinese capital are preparing for its second smog red alert as a wave of smog is forecasted to settle over the city

A man walks past steam rising from underground heating pipes outside a shopping mall in Beijing

  © g Baker/AFP

A man walks past steam rising from underground heating pipes outside a shopping mall in Beijing

Chinese Paramilitary guards stand on the stairs after Sheikh Mohammed bin Zayed al-Nahyan, Crown Prince of Abu Dhabi and UAE's deputy commander-in-chief of the armed forces leaves the Great Hall of the People in Beijing on December 14, 2015.

Fred Dufour/AFP

Chinese Paramilitary guards stand on the stairs after Sheikh Mohammed bin Zayed al-Nahyan, Crown Prince of Abu Dhabi and UAE’s deputy commander-in-chief of the armed forces leaves the Great Hall of the People in Beijing on Monday

Members from North Korea's Moranbong band walk out of their hotel in Beijing on Friday. North Korea's premier pop group, the all-girl Moranbong band formed by leader Kim Jong-Un, is electrifying audiences in China in shows aimed at harmonising out-of-tune ties between the traditional allies

AFP

Members from North Korea’s Moranbong band walk out of their hotel in Beijing on Friday. North Korea’s premier pop group, the all-girl Moranbong band formed by leader Kim Jong-Un, is electrifying audiences in China

A paramilitary policeman wearing a mask stands guard in front of the giant portrait of Chinese late chairman Mao Zedong, amid heavy smog after the city issued its first ever "red alert" for air pollution in Beijing, China, December 9, 2015. Picture taken December 9, 2015.

Reuters

A paramilitary policeman wearing a mask stands guard in front of the giant portrait of Chinese late chairman Mao Zedong, amid heavy smog after the city issued its first ever “red alert” for air pollution in Beijing, China

A woman wearing a protective mask against smog poses for photos at the Temple of Heaven Park in Beijing, China

Rolex de la Pena/EPA

A woman wearing a mask to protect against smog poses for photos at the Temple of Heaven Park in Beijing, China

Women wearing masks and other residents dance during their daily exercise amid the heavy smog in Beijing

Jason Lee/Reuters

Residents dance during their daily exercise amid the heavy smog in Beijing, China

A combo shows a morning commuter walking in front of the China Central Television (CCTV) building on a smoggy day and a sunny day

Damir Sagolj/Reuters

A combination photo shows a morning commuter walking in front of the China Central Television (CCTV) building on a smoggy day on December 1, 2015 (top), and on a sunny day on December 2, 2015 (bottom), after a fresh cold front cleared the smog that was blanketing Beijing, China.

Chinese man wears a protective face mask as he passes by the CCTV building on a day of heavy pollution on November 30, 2015 in Beijing, China. China's capital and many cities in the northern part of the country recorded the worst smog of the year with air quality devices in some areas unable to read such high levels of pollutants. Levels of PM 2.5, considered the most hazardous, crossed 600 units in Beijing, nearly 25 times the acceptable standard set by the World Health Organization. The governments of more than 190 countries are meeting in Paris this week to set targets on reducing carbon emissions in an attempt to forge a new global agreement on climate change.

Kevin Frayer/Getty Images

Chinese man wears a protective face mask as he passes by the CCTV building on a day of heavy pollution on Monday in Beijing, China. China’s capital and many cities in the northern part of the country recorded the worst smog of the year with air quality devices in some areas unable to read such high levels of pollutants

Visitors watch a robot demonstration during the World Robot Conference in Beijing on November 24, 2015. The World Robot Conference being is held in Beijing from November 23 to 25.

Wang Zhao/AFP

Visitors watch a robot demonstration during the World Robot Conference in Beijing on Tuesday

Chinese tourists walk on a slippery section of ice as snow is seen on the Great Wall after a snowfall on Monday near Beijing, China. China's capital and the northern part of the country received snow on Sunday as winter set in

Kevin Frayer/Getty Images

Chinese tourists walk on a slippery section of ice as snow is seen on the Great Wall after a snowfall on Monday near Beijing, China

A group of men ride a tricycle across a muddy road in Beijing on Monday

Wang Zhao/AFP

A group of men ride a tricycle across a muddy road in Beijing on Monday

Workers walk past a billboard display showing a scene of Central Business District, as capital city skylines are shrouded with pollutant haze in Beijing, China, Monday, Nov. 9, 2015. Heading into this month's Paris meeting, the world's biggest source of climate-changing gases has yet to accept binding limits. But it has invested in solar, wind and hydro power to clean up its smog-choked cities and curb surging demand for imported oil and gas. That contributed last year to a surprise fall in coal consumption. (AP Photo/Andy Wong)

Andy Wong/AP

Workers walk past a billboard display showing a scene of Central Business District, as capital city skylines are shrouded with pollutant haze in Beijing, China

Anna Cappellini and Luca Lanotte of Italy compete at the ice dance during the China ISU Grand Prix of Figure Skating, in Beijing, China, on Friday

Kim Kyung-Hoon/Reuters

Anna Cappellini and Luca Lanotte of Italy compete at the ice dance during the China ISU Grand Prix of Figure Skating, in Beijing, China, on Friday

A boy holds the hand of an elderly woman as they make their way in Beijing

  © Kyung-Hoon/Reuters

A boy holds the hand of an elderly woman as they make their way in Beijing. The easing of family planning restrictions in China to allow all couples to have two children will benefit around 100 million families, a professor told the official China Daily on Friday.

A model presents a creation by Chinese designer Mao Geping during a colorful cosmetic fashion trend collection at China Fashion Week S/S 2016, in Beijing, China, October 26, 2015

Jason Lee/Reuters

A model presents a creation by Chinese designer Mao Geping during a colorful cosmetic fashion trend collection at China Fashion Week S/S 2016, in Beijing, China

An honour guard is partially covered by a flag that rolled after a gust of wind at the welcoming ceremony for Netherlands' King Willem-Alexander outside the Great Hall of the People in Beijing, October 26, 2015.

Kim Kyung-Hoon/Reuters

An honour guard is partially covered by a flag that rolled after a gust of wind at the welcoming ceremony for Netherlands’ King Willem-Alexander outside the Great Hall of the People in Beijing, China today.

A man sleeps on two chairs beside a road in Beijing

Jason Lee/Reuters

A man sleeps on two chairs beside a road in Beijing, China, on Friday

Chinese vendors pile squash to sell at a local food market on October 14, 2015 in Beijing, China. China's inflation rate rose 1.6 percent in September, falling short of expectations of a 1.8% increase

Kevin Frayer/Getty Images

Chinese vendors pile squash to sell at a local food market on Wednesday in Beijing, China. China’s inflation rate rose 1.6 percent in September, falling short of expectations of a 1.8 percent increase

Novak Djokovic of Serbia hits a return against John Isner of U.S. during their men's singles match at the China Open tennis tournament in Beijing, China, October 9, 2015.

Kim Kyung-Hoon/Reuters

Novak Djokovic of Serbia hits a return against John Isner of U.S. during their men’s singles match at the China Open tennis tournament in Beijing, China