REUTERS/Lindsey Wasson
Skytrax released its annual ranking of the world's best airports, with Doha, Qatar at the top. However, no US airport made the top 20.The highest-ranked, Seattle-Tacoma, was beaten by the likes of London Heathrow and Vancouver.Skytrax has released its annual ranking of the world's best airports — and if you're a frequent flyer it may come as little surprise that none in the US made the...