What makes an airport a "world's best"? High-tech facilities? Friendly staff? Great leisure amenities? Speedy immigration service?
원문출처 : https://www.cnn.com/travel/article/skytrax-worlds-best-airports-2019/index.html
원문출처 : https://www.cnn.com/travel/article/skytrax-worlds-best-airports-2019/index.html