
A Chinese passenger carries his luggage toward Beijing Railway Station to catch a train back his hometown ahead of the Chinese Lunar New Year, or Spring Festival, in Beijing, China, 01 February 2019. (Photo by Roman Pilipey/EPA/EFE)

Bullet trains are seen at a high-speed train maintenance base before the Spring Festival travel rush kicks off ahead of Chinese Lunar New Year, in Guangzhou, Guangdong province, China January 18, 2019. (Photo by Reuters/China Stringer Network)

Children react next to a security robot patrolling inside a residential compound in Hohhot, Inner Mongolia, China January 18, 2019. (Photo by Reuters/Stringer)

Police officers operate a security robot to patrol inside a railway station as the annual Spring Festival travel rush starts ahead of the Chinese Lunar New Year, in Shenzhen, Guangdong province, China January 21, 2019. (Photo by Reuters/China Stringer Network)

Pigs fed on dried corn sticks after running through an obstacle course at the Green Island Holiday Farm as part of an attraction marking the upcoming Lunar New Year of the Pig in Zhangjiakou, Hebei Province, China on January 27, 2019. (Photo by Thomas Peter/Reuters)

A child looks at a lantern installation at a light show to celebrate the upcoming Chinese Lunar New Year in Huai’an, Jiangsu province, China January 28, 2019. (Photo by Reuters/China Stringer Network)

A folk artist performs during an event celebrating the upcoming Chinese Lunar New Year, at the Qingzhou ancient town in Weifang, Shandong province, China January 28, 2019. (Photo by Reuters/China Stringer Network)

A boy plays on the decoration showing the imperial celebrations of Spring Festival in Qing Dynasty, during a museum exhibition to mark the upcoming Chinese Lunar New Year in the Forbidden City in Beijing, China on January 30, 2019. (Photo by Jason Lee/Reuters)

Travellers sit in a train at Beijing Railway Station during the annual Spring Festival travel rush ahead of the Chinese Lunar New Year, China, January 31, 2019. (Photo by Thomas Peter/Reuters)

Travellers head for their train at Beijing Railway Station during the annual Spring Festival travel rush ahead of the Chinese Lunar New Year, China, January 31, 2019. (Photo by Thomas Peter/Reuters)