Air Canada aircrafts are seen on the runway of Vancouver International Airport in Richmond, British Columbia, Canada, Jan. 13, 2021. Air Canada announced on Wednesday that it is laying off about 1,700 employees due to official travel restrictions against the rampaging COVID-19 pandemic. (Photo by Liang Sen/Xinhua)

Air Canada aircrafts are seen on the runway of Vancouver International Airport in Richmond, British Columbia, Canada, Jan. 13, 2021. Air Canada announced on Wednesday that it is laying off about 1,700 employees due to official travel restrictions against the rampaging COVID-19 pandemic. (Photo by Liang Sen/Xinhua)

An air Canada aircraft is seen on the runway of Vancouver International Airport in Richmond, British Columbia, Canada, Jan. 13, 2021. Air Canada announced on Wednesday that it is laying off about 1,700 employees due to official travel restrictions against the rampaging COVID-19 pandemic. (Photo by Liang Sen/Xinhua)

Air Canada aircrafts are seen on the runway of Vancouver International Airport in Richmond, British Columbia, Canada, Jan. 13, 2021. Air Canada announced on Wednesday that it is laying off about 1,700 employees due to official travel restrictions against the rampaging COVID-19 pandemic. (Photo by Liang Sen/Xinhua)

Air Canada aircrafts are seen on the runway of Vancouver International Airport in Richmond, British Columbia, Canada, Jan. 13, 2021. Air Canada announced on Wednesday that it is laying off about 1,700 employees due to official travel restrictions against the rampaging COVID-19 pandemic. (Photo by Liang Sen/Xinhua)