People work at the conversion site of a quarantine facility in Suihua City, northeast China's Heilongjiang Province, Jan. 23, 2021. Suihua decided to convert five venues, including schools and hotels, into quarantine facilities to help fight against the COVID-19. So far, three of them have been put into use. (Xinhua/Zhang Tao)

People work at the conversion site of a quarantine facility in Suihua City, northeast China's Heilongjiang Province, Jan. 23, 2021. Suihua decided to convert five venues, including schools and hotels, into quarantine facilities to help fight against the COVID-19. So far, three of them have been put into use. (Xinhua/Zhang Tao)

A man works at the conversion site of a quarantine facility in Suihua City, northeast China's Heilongjiang Province, Jan. 23, 2021. Suihua decided to convert five venues, including schools and hotels, into quarantine facilities to help fight against the COVID-19. So far, three of them have been put into use. (Xinhua/Zhang Tao)

People work at the conversion site of a quarantine facility in Suihua City, northeast China's Heilongjiang Province, Jan. 23, 2021. Suihua decided to convert five venues, including schools and hotels, into quarantine facilities to help fight against the COVID-19. So far, three of them have been put into use. (Xinhua/Zhang Tao)

A man works at the conversion site of a quarantine facility in Suihua City, northeast China's Heilongjiang Province, Jan. 23, 2021. Suihua decided to convert five venues, including schools and hotels, into quarantine facilities to help fight against the COVID-19. So far, three of them have been put into use. (Xinhua/Zhang Tao)

A man works at the conversion site of a quarantine facility in Suihua City, northeast China's Heilongjiang Province, Jan. 23, 2021. Suihua decided to convert five venues, including schools and hotels, into quarantine facilities to help fight against the COVID-19. So far, three of them have been put into use. (Xinhua/Zhang Tao)