Official Website: http://to.pbs.org/2jSGOFQ | #CityintheSkyPBS
Explore how airport design helps regulate people-flow in the world’s
busiest airport. Stream full episodes of CITY IN THE SKY on the PBS Video App.
Subscribe to the PBS channel for more clips: https://www.youtube.com/PBS
Enjoy full episodes of your favorite PBS shows anytime, anywhere with the free PBS Video App: https://to.pbs.org/2QbtzhR
About ‘City in the Sky’
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. Learn more about the show, take our flight quiz and watch more clips at https://to.pbs.org/2ELdCKJ