Armed police officers and soldiers of a frontier inspection station drill in the snow on December 21, 2016 in Heihe, Heilongjiang Province of China. (Photo by VCG via Getty Images)





A woman rides a bicycle in front of a police van as they pass a Chinese government's propaganda billboard that reads “China Rule By Law” on a street in Beijing, Wednesday, December 28, 2016. Infuriated by a decision by Beijing prosecutors to drop charges in a high-profile police brutality case, university alumni circles across China mobilized online this week with petition drives, posing to China's government an unusual challenge with its white-collar makeup and swiftly expanding nationwide reach. (Photo by Andy Wong/AP Photo)





Shoppers enjoy Christmas decorations at a shopping mall in Beijing, China, Saturday, December 24, 2016. Although Christmas is not traditionally celebrated in China, retailers take opportunity of the gift giving spirit of the festival to boost year end sales. (Photo by Ng Han Guan/AP Photo)





A man casts a shadow as he uses an umbrella to lean on while crossing a road with other pedestrians in Hong Kong, China, December 12, 2016. (Photo by David Gray/Reuters)





A fisherman holds the hook attached to his line as he sits atop a wall in the area known as Kennedy Town in Hong Kong, China, December 14, 2016. (Photo by David Gray/Reuters)





A fisherman and his son wait for customers on the shore of the harbour on Cheung Chau Island located near Hong Kong in China, December 11, 2016. (Photo by David Gray/Reuters)





A passenger aboard a tram looks out a window as it travels near the area known as Central in Hong Kong, China, December 8, 2016. (Photo by David Gray/Reuters)





A visitor to Victoria Peak takes photographs of buildings on Hong Kong Island and Kowloon in China, December 9, 2016. (Photo by David Gray/Reuters)





A face mask made by designer Wang Zhijun of a pair of sneakers is arranged to be photographed in Beijing, China December 21, 2016. (Photo by Damir Sagolj/Reuters)





Designer Wang Zhijun poses for pictures, wearing one of the face masks and holding others he made using sneakers, in Beijing, China December 21, 2016. (Photo by Damir Sagolj/Reuters)





Designer Wang Zhijun arranges the face masks he made using sneakers, to be photographed in Beijing, China December 21, 2016. (Photo by Damir Sagolj/Reuters)





Designer Wang Zhijun poses for pictures wearing one of the face masks he made using sneakers, in Beijing, China December 21, 2016. (Photo by Damir Sagolj/Reuters)





Buildings are seen against blue sky after the wind dispelled dangerously high levels of air pollution in Beijing, China, December 22, 2016. (Photo by Jason Lee/Reuters)





A man holds a child at the Houhai area as blue sky returns after winds dispelled dangerously high levels of air pollution in Beijing, China December 22, 2016. (Photo by Jason Lee/Reuters)





A man has a haircut outdoor as blue sky returns after winds dispelled dangerously high levels of air pollution in Beijing, China December 22, 2016. (Photo by Jason Lee/Reuters)





A woman exercises as blue sky returns after winds dispelled dangerously high levels of air pollution in Beijing, China December 22, 2016. (Photo by Jason Lee/Reuters)





A winter swimmer walks on the lake bank at the Houhai area as blue sky returns after winds dispelled dangerously high levels of air pollution in Beijing, China December 22, 2016. (Photo by Jason Lee/Reuters)





Workers clear garbage at the bank of Yangtze River in Taicang, Jiangsu province, China, December 23, 2016. (Photo by Reuters/Stringer)





Workers clear garbage at the bank of Yangtze River in Taicang, Jiangsu province, China, December 23, 2016. (Photo by Reuters/Stringer)





A man attends a service at the unofficial catholic church in Majhuang village, Hebei Province, China, December 11, 2016. (Photo by Thomas Peter/Reuters)





A man cycles down a road in front of the Sacred Heart of Jesus Church in Wuqiu village, Hebei Province, China, December 11, 2016. (Photo by Thomas Peter/Reuters)





People attend Sunday service at a makeshift, tin-roofed church in Youtong village, Hebei Province, China, December 11, 2016. (Photo by Thomas Peter/Reuters)





People attend Sunday service at a makeshift, tin-roofed church in Youtong village, China, December 11, 2016. (Photo by Thomas Peter/Reuters)





Members of the congregation clean the unofficial catholic church after Sunday service in Majhuang village, Hebei Province, China, December 11, 2016. (Photo by Thomas Peter/Reuters)





Pei Ronggui, an 81-year-old retired bishop waits to take confession from members of the congregation before Sunday service at an unofficial catholic church in Youtong village, Hebei Province, China, December 11, 2016. (Photo by Thomas Peter/Reuters)





Wu Jia stands near a photo frame with pictures of his family before he goes to attend a Christmas mass at a Catholic church on the outskirts of Taiyuan, North China's Shanxi province, December 24, 2016. (Photo by Jason Lee/Reuters)





People wearing Santa Claus' costumes play a game as they celebrate the Christmas Eve in Shenzhen, Guangdong province, China, December 24, 2016. (Photo by Reuters/Stringer)





A woman salutes as people gather to celebrate China's late chairman Mao Zedong's 123rd birth anniversary in Shaoshan, Hunan province, December 25, 2016. (Photo by Reuters/Stringer)





People gather to celebrate China's late chairman Mao Zedong's 123rd birth anniversary in Shaoshan, Hunan province, December 25, 2016. (Photo by Reuters/Stringer)





A male folk artist (R) dressed as a traditional Chinese woman walks out of a mobile toilet ahead of a performance at a Spring Festival Temple Fair on the fifth day of the Chinese Lunar New Year at Longtan Park in Beijing, China February 14, 2013. (Photo by Jason Lee/Reuters)





A restroom mainly made of glass opens to public at a park to attract tourists in Changsha, Hunan province, China September 29, 2016. (Photo by Reuters/Stringer)





People demonstrate a home-made “smog cannon” which fires cannonballs made of “water and tobacco tar” to remind people the importance of protecting environment, in Xiangyang, Hubei province, December 27, 2016. (Photo by Reuters/Stringer)





A high-speed railway train linking Shanghai and Kunming, of Yunnan province, is seen at a station during a partial operation, in Anshun, Guizhou province, China, December 28, 2016. (Photo by Reuters/Stringer)





A staff looks out from a high-speed railway train linking Shanghai and Kunming, of Yunnan province, after a partial operation, in Guanling, Guizhou province, China, December 28, 2016. (Photo by Reuters/Stringer)





A fisherman paddles in Erhai lake in Dali, China December 30, 2016. (Photo by Jason Lee/Reuters)





A sculpture of a rooster that local media say bears resemblance to U.S. President-elect Donald Trump is seen outside a shopping mall in Taiyuan, Shanxi province, China December 30, 2016. (Photo by Jon Woo/Reuters)





Women take a selfie next to a police officer as they take part in New Year's Eve celebrations in the Bund, in Shanghai, China December 31, 2016. (Photo by Aly Song/Reuters)





Aerial view of the Beipan River expressway bridge (or Beipanjiang bridge) under construction on September 10, 2016 in Bijie, Guizhou Province of China. The 1,341.4-meter-long Beipan River expressway bridge has a height equivalent to a 200-story building, which makes it the world's highest bridge down to the ground or water surface. The bridge spanning the Beipanjiang Valley was started to build in 2013 and completed the main connection on September 10, 2016. (Photo by VCG/Getty Images)





This picture taken on December 28, 2016 shows the Beipanjiang Bridge, near Bijie in southwest China's Guizhou province. The world's highest bridge has opened to traffic in China, connecting two southwestern provinces and reducing travel time by three quarters, local authorities said on December 30. (Photo by AFP Photo/Stringer)





This picture taken on December 29, 2016 shows vehicles making their way through the Beipanjiang Bridge, near Bijie in southwest China's Guizhou province. (Photo by AFP Photo/Stringer)





People wearing Santa hats bath with lemon slices at a hot spring center during the Christmas holiday on December 24, 2016 in Luoyang, Henan Province of China. Reportedly taking fruit bath keeps skin in good condition. (Photo by VCG via Getty Images)





Chinese men put on Santa hats near electric unicycle scooters as a group of riders prepare to leave on a Christmas themed ride from a church in Beijing, China, Saturday, December 24, 2016. (Photo by Ng Han Guan/AP Photo)