Official Website: http://to.pbs.org/2jSGOFQ | #CityintheSkyPBS
Explore a unique metropolis—a midair “city” composed of nearly a million people on flights that crisscross the world daily. Meet the hidden army working to keep the city aloft and uncover the exceptional engineering and technology that make it work. Stream full episodes of CITY IN THE SKY on the PBS Video App.
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Learn more about the City in the Sky: take our flight quiz and watch more clips at https://to.pbs.org/2ELdCKJ