Amsterdam and the top-ranked Asian airports humanize the airport experience and remember to prioritize people in addition to airlines, governments, and a bottom line.
These four airports are an aviation geek's dream destination, and the only downside to this trip is the small amount of time you get to spend in each hub.
Could airports begin to form alliances similar to airlines? The airports have already ranked in the top five of their size, but an alliance would allow them to attract more passengers by offering similar superior amenities and a home base in a foreign country.