Standing tall over pretty much every airport in the world, a reassuring presence reminding us that planes are being guided safely along set paths, is the air traffic control tower.
원문출처 : https://www.cnn.com/travel/article/scandinavian-mountains-airport-remote-air-traffic-control/index.html
원문출처 : https://www.cnn.com/travel/article/scandinavian-mountains-airport-remote-air-traffic-control/index.html