New airports are incredibly complicated projects. So when a city outgrows it's old airport, where do they build a new one? Seattle is facing this problem as we speak. In this video, we'll look at the challenges Seattle faces in planning a new airport as well as other examples of similar "greenfield" airports in Denver and around the world.

0:00 Intro
0:55 Seattle's New Airport
2:39 "Greenfield Airports"
3:05 Denver International Airport
4:11 "Aerotropolis"
4:59 Seattle's New Airport
5:38 Conclusion

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