
A Lufthansa airplane taxis along a runway at Frankfurt airport in Frankfurt, Germany, on Jan. 17, 2022. Passenger numbers at Frankfurt airport picked up in 2021, thanks to the easing of coronavirus restrictions, the airport announced on Monday. As one of the busiest airports in Europe, Frankfurt received some 24.8 million passengers in 2021, up by 32.2 percent from 2020, the airport announced.(Photo: Xinhua)

A Condor airplane prepares to land at Frankfurt airport in Frankfurt, Germany, on Jan. 17, 2022. Passenger numbers at Frankfurt airport picked up in 2021, thanks to the easing of coronavirus restrictions, the airport announced on Monday. As one of the busiest airports in Europe, Frankfurt received some 24.8 million passengers in 2021, up by 32.2 percent from 2020, the airport announced. (Photo: Xinhua)

An Icelandair airplane prepares to land at Frankfurt airport in Frankfurt, Germany, on Jan. 17, 2022. Passenger numbers at Frankfurt airport picked up in 2021, thanks to the easing of coronavirus restrictions, the airport announced on Monday. As one of the busiest airports in Europe, Frankfurt received some 24.8 million passengers in 2021, up by 32.2 percent from 2020, the airport announced. (Photo: Xinhua)

A Lufthansa airplane prepares to land at Frankfurt airport in Frankfurt, Germany, on Jan. 17, 2022. Passenger numbers at Frankfurt airport picked up in 2021, thanks to the easing of coronavirus restrictions, the airport announced on Monday. As one of the busiest airports in Europe, Frankfurt received some 24.8 million passengers in 2021, up by 32.2 percent from 2020, the airport announced. (Photo: Xinhua)