Chinese paramilitary policemen stand guard in front of Tiananmen Gate amid heavy snowfall in Beijing, China, 12 February 2019. Snowfall hit the capital, after relatively low precipitation this winter, as people returned from a weeklong spring festival holiday. (Photo by How Hwee Young/EPA/EFE)





People watch illuminated lanterns during the 33rd China Qinhuai Lantern Festival at Nanjing Confucius Temple on February 18, 2019 in Nanjing, Jiangsu Province of China. People eat Tangyuan (glutinous rice balls), solve lantern riddles, watch lion dances and enjoy drum performances to celebrate the upcoming Lantern Festival, which falls on February 19 this year. (Photo by VCG/VCG via Getty Images)





In this February 9, 2019, photo released by Xinhua News Agency, tourists pose for souvenir photos in front of the Potala Palace in Lhasa, southwest China's Tibet Autonomous Region. China is barring foreign travelers from Tibet over a period of several weeks that includes a pair of sensitive political anniversaries. Travel agencies contacted Wednesday, Feb. 20 said foreign tourists would not be allowed into the Himalayan region until April 1. (Photo by Jigme Dorje/Xinhua News Agency via AP Photo)





In this Wednesday, January 30, 2019, photo, women take a selfie near a tree decorated with red lanterns ahead of the Lunar New Year at Ditan Park in Beijing. (Photo by Andy Wong/AP Photo)





A man paints Chinese New Year “fai chun” calligraphy couplets in gold paint as passersby crowd around him in the hope of buying one on the last day of the Chinese Year of the Dog, in Wan Chai, Hong Kong, China, 04 February 2019. Fai chun are usually placed on the front door of houses during the Chinese New Year period. The Chinese New Year of the Pig begins on 05 February 2019. (Photo by Alex Hofford/EPA/EFE)





An Ethnic Tibetan man holding a child looks at a huge thangka (sacred painting on cloth) depicting Buddha during Monlam Great Prayer Festival, at Labrang Monastery, in Xiahe, an ethnically-Tibetan town in Gansu province, China, 17 February 2019. The Monlam Great Prayer Festival starts three days after the Tibetan New Year and is held for almost two weeks. The festival is considered the most important event for Tibetan Buddhists. Every year thousands of visitors and worshipers gather at Labrang Monastery to mark Monlam together with the Tibetan Buddhist monks. Labrang Monastery is the largest monasteries of the Yellow Hat sect of Tibetan Buddhism and home to the largest number of monks outside of the Tibet Autonomous Region. The monastery was founded in 1709. (Photo by Roman Pilipey/EPA/EFE)





A woman works on a pig-shaped giant lantern at a plaza in Huangshan, Anhui, China on February 1, 2019. (Photo by Reuters/China Stringer Network)





A man casts lines through holes into a frozen river to catch fish on February 20, 2019 in Beijing, China. (Photo by Ma Wenxiao/VCG via Getty Images)





A man wearing a costume dives into a partly frozen lake in Shenyang, in China's northeastern Liaoning province on February 19, 2019. (Photo by AFP Photo/China Stringer Network)





This photo taken on February 19, 2019 shows people watching a fireworks display during the Lantern Festival, which marks the end of Lunar New Year celebrations, in Dalian in China's northeastern Liaoning province. (Photo by AFP Photo/Stringer)





A woman holds a flower-shape candle prays on the first day of the Chinese Lunar New Year at the Tanzhe temple in the Mentougou District of Beijing, Tuesday, February 5, 2019. Chinese people are celebrating the arrival of the Lunar New Year, the Year of the Pig on the Chinese zodiac. (Photo by Andy Wong/AP Photo)





People hold floral bouquets and sticks of incense as they pray at the Lama Temple in Beijing, Tuesday, February 5, 2019. Chinese people are celebrating the first day of the Lunar New Year on Tuesday, the Year of the Pig on the Chinese zodiac. (Photo by Mark Schiefelbein/AP Photo)





Performers rest after a rehearsal of a re-enactment of a Chinese New Year Qing Dynasty ceremony at the Temple of Earth in Ditan Park in Beijing, China, February 4, 2019. (Photo by Thomas Peter/Reuters)





People perform a lion dance during Spring Festival celebrations in Badachu Park marking Lunar New Year in Beijing, China, February 7, 2019. (Photo by Thomas Peter/Reuters)





Villagers dressed as “Maogao” jump next to firecrackers during a celebration on the first day of the Chinese Lunar New Year of the Pig, in Rongshui Miao Autonomous County, Guangxi Zhuang Autonomous Region, China February 5, 2019. (Photo by Reuters/China Stringer Network)





People perform in costumes during Spring Festival celebrations in Badachu Park marking Lunar New Year in Beijing, China, February 7, 2019. (Photo by Thomas Peter/Reuters)





A child performs opera during celebrations on the eight day of Chinese Lunar New Year of the Pig, in Taizhou, Zhejiang province, China February 12, 2019. (Photo by Reuters/China Stringer Network)





A girl draws a track into the snow in Ditan Park in Beijing, China, February 12, 2019. (Photo by Thomas Peter/Reuters)





Slaughtered pigs are on display at a heaviest pig contest on the eighth day of the Chinese Lunar New Year of the pig, in Taizhou, Zhejiang province, China February 12, 2019. (Photo by Reuters/China Stringer Network)





Folk artists throw molten iron to create sparks during an event to celebrate the Chinese Lunar New Year, in Shangqiu, Henan province, China February 11, 2019. (Photo by Reuters/China Stringer Network)





Villagers carry food offerings with a table-made sedan, decorated with an image of a child, during a local ritual to mark the Chinese Lunar New Year, in Zhongshan county, Guangxi Zhuang Autonomous Region, China February 10, 2019. (Photo by Reuters/China Stringer Network)