Guo Xin, leader of the aircraft maintenance team of Daqing Saertu Airport, works at the airport in Daqing, northeast China’s Heilongjiang Province, Jan. 8, 2021. To ensure the smooth and safe operation of the airport, aircraft maintenance engineers here worked hard despite the low temperature of about minus 30 degrees Celsius. (Xinhua/Wang Song)
An aircraft maintenance engineer conducts anti-icing work for an aircraft at Daqing Saertu Airport in Daqing, northeast China’s Heilongjiang Province, Dec. 29, 2020. To ensure the smooth and safe operation of the airport, aircraft maintenance engineers here worked hard despite the low temperature of about minus 30 degrees Celsius. (Xinhua/Wang Song)
Guo Xin, leader of the aircraft maintenance team of Daqing Saertu Airport, works at the airport in Daqing, northeast China’s Heilongjiang Province, Jan. 8, 2021. To ensure the smooth and safe operation of the airport, aircraft maintenance engineers here worked hard despite the low temperature of about minus 30 degrees Celsius. (Xinhua/Wang Song)
Guo Xin, leader of the aircraft maintenance team of Daqing Saertu Airport, works at the airport in Daqing, northeast China’s Heilongjiang Province, Jan. 8, 2021. To ensure the smooth and safe operation of the airport, aircraft maintenance engineers here worked hard despite the low temperature of about minus 30 degrees Celsius. (Xinhua/Wang Song)
Guo Xin, leader of the aircraft maintenance team of Daqing Saertu Airport, works at the airport in Daqing, northeast China’s Heilongjiang Province, Jan. 8, 2021. To ensure the smooth and safe operation of the airport, aircraft maintenance engineers here worked hard despite the low temperature of about minus 30 degrees Celsius. (Xinhua/Wang Song)
Guo Xin, leader of the aircraft maintenance team of Daqing Saertu Airport, works at the airport in Daqing, northeast China’s Heilongjiang Province, Jan. 8, 2021. To ensure the smooth and safe operation of the airport, aircraft maintenance engineers here worked hard despite the low temperature of about minus 30 degrees Celsius. (Xinhua/Wang Song)
Guo Xin, leader of the aircraft maintenance team of Daqing Saertu Airport, works at the airport in Daqing, northeast China’s Heilongjiang Province, Jan. 8, 2021. To ensure the smooth and safe operation of the airport, aircraft maintenance engineers here worked hard despite the low temperature of about minus 30 degrees Celsius. (Xinhua/Wang Song)
An aircraft maintenance engineer conducts anti-icing work for an aircraft at Daqing Saertu Airport in Daqing, northeast China’s Heilongjiang Province, Dec. 29, 2020. To ensure the smooth and safe operation of the airport, aircraft maintenance engineers here worked hard despite the low temperature of about minus 30 degrees Celsius. (Xinhua/Wang Song)
An aircraft maintenance engineer conducts anti-icing work for an aircraft at Daqing Saertu Airport in Daqing, northeast China’s Heilongjiang Province, Dec. 29, 2020. To ensure the smooth and safe operation of the airport, aircraft maintenance engineers here worked hard despite the low temperature of about minus 30 degrees Celsius. (Xinhua/Wang Song)
Guo Xin, leader of the aircraft maintenance team of Daqing Saertu Airport, works at the airport in Daqing, northeast China’s Heilongjiang Province, Jan. 8, 2021. To ensure the smooth and safe operation of the airport, aircraft maintenance engineers here worked hard despite the low temperature of about minus 30 degrees Celsius. (Xinhua/Wang Song)
An aircraft maintenance engineer conducts anti-icing work for an aircraft at Daqing Saertu Airport in Daqing, northeast China’s Heilongjiang Province, Dec. 29, 2020. To ensure the smooth and safe operation of the airport, aircraft maintenance engineers here worked hard despite the low temperature of about minus 30 degrees Celsius. (Xinhua/Wang Song)
Guo Xin, leader of the aircraft maintenance team of Daqing Saertu Airport, works at the airport in Daqing, northeast China’s Heilongjiang Province, Jan. 8, 2021. To ensure the smooth and safe operation of the airport, aircraft maintenance engineers here worked hard despite the low temperature of about minus 30 degrees Celsius. (Xinhua/Wang Song)
Guo Xin, leader of the aircraft maintenance team of Daqing Saertu Airport, works at the airport in Daqing, northeast China’s Heilongjiang Province, Jan. 8, 2021. To ensure the smooth and safe operation of the airport, aircraft maintenance engineers here worked hard despite the low temperature of about minus 30 degrees Celsius. (Xinhua/Wang Song)
An aircraft maintenance engineer conducts anti-icing work for an aircraft at Daqing Saertu Airport in Daqing, northeast China’s Heilongjiang Province, Dec. 29, 2020. To ensure the smooth and safe operation of the airport, aircraft maintenance engineers here worked hard despite the low temperature of about minus 30 degrees Celsius. (Xinhua/Wang Song)
Guo Xin, leader of the aircraft maintenance team of Daqing Saertu Airport, works at the airport in Daqing, northeast China’s Heilongjiang Province, Jan. 8, 2021. To ensure the smooth and safe operation of the airport, aircraft maintenance engineers here worked hard despite the low temperature of about minus 30 degrees Celsius. (Xinhua/Wang Song)
An aircraft maintenance engineer conducts anti-icing work for an aircraft at Daqing Saertu Airport in Daqing, northeast China’s Heilongjiang Province, Dec. 29, 2020. To ensure the smooth and safe operation of the airport, aircraft maintenance engineers here worked hard despite the low temperature of about minus 30 degrees Celsius. (Xinhua/Wang Song)