
A staff member of China Railway Zhengzhou Bureau Group Co., Ltd. checks a train in Zhengzhou, central China's Henan Province, Feb. 11, 2021. People from various sectors stick to their posts on the eve of the Chinese Lunar New Year, or Spring Festival, which falls on Feb. 12. (Xinhua/Li An)

Medical worker Yang Hui works at Liuzhou Maternity and Child Healthcare Hospital in Liuzhou, south China's Guangxi Zhuang Autonomous Region, Feb. 11, 2021. People from various sectors stick to their posts on the eve of the Chinese Lunar New Year, or Spring Festival, which falls on Feb. 12. (Xinhua/Huang Xiaobang)

A worker paves a road on the construction site of an expressway in south China's Guangdong Province, Feb. 11, 2021. People from various sectors stick to their posts on the eve of the Chinese Lunar New Year, or Spring Festival, which falls on Feb. 12. (Photo by Zhou Li/Xinhua)

Workers work on a construction site at Fengtai Railway Station in Fengtai District of Beijing, capital of China, Feb. 11, 2021. People from various sectors stick to their posts on the eve of the Chinese Lunar New Year, or Spring Festival, which falls on Feb. 12. (Xinhua/Wang Yuguo)

A staff member of China Railway Zhengzhou Bureau Group Co., Ltd. checks the wheels of a train in Zhengzhou, central China's Henan Province, Feb. 11, 2021. People from various sectors stick to their posts on the eve of the Chinese Lunar New Year, or Spring Festival, which falls on Feb. 12. (Xinhua/Li An)

Workers work on a construction site at Fengtai Railway Station in Fengtai District of Beijing, capital of China, Feb. 11, 2021. People from various sectors stick to their posts on the eve of the Chinese Lunar New Year, or Spring Festival, which falls on Feb. 12. (Xinhua/Wang Yuguo)

A medical worker measures the body temperature of a citizen in Liuzhou, south China's Guangxi Zhuang Autonomous Region, Feb. 11, 2021. People from various sectors stick to their posts on the eve of the Chinese Lunar New Year, or Spring Festival, which falls on Feb. 12. (Xinhua/Huang Xiaobang)

A sanitary worker recycles used plastic bottles and packaging boxes at a residential area in Beijing, capital of China, Feb. 11, 2021. People from various sectors stick to their posts on the eve of the Chinese Lunar New Year, or Spring Festival, which falls on Feb. 12. (Xinhua/Lan Hongguang)

Workers conduct welding operation on a construction site at Fengtai Railway Station in Fengtai District of Beijing, capital of China, Feb. 11, 2021. People from various sectors stick to their posts on the eve of the Chinese Lunar New Year, or Spring Festival, which falls on Feb. 12. (Xinhua/Wang Yuguo)

A staff member of China Railway Zhengzhou Bureau Group Co., Ltd. checks a train in Zhengzhou, central China's Henan Province, Feb. 11, 2021. People from various sectors stick to their posts on the eve of the Chinese Lunar New Year, or Spring Festival, which falls on Feb. 12. (Xinhua/Li An)