Sitting in the terminal building waiting to be called for our flight is a regular occurrence for most of us -- but what's really going on out there on the ramp while we're inside staring at our phones?
원문출처 : http://www.cnn.com/travel/article/airplane-take-off-procedures/index.html
원문출처 : http://www.cnn.com/travel/article/airplane-take-off-procedures/index.html