City in the SkyNext on Episode 2 Preview: Episode 2 | 30s We take flight for granted, but on any journey a hidden army of people keep your plane safe. We explore just what it takes to keep the ‘city in the sky’ airborne and safe between take-off and landing. How has flying become safer than ever before? Aired: 02/15/17 Rating: TV-PG Closed CaptioningVideo has closed captioning.Buy Now:PBSBuy DVDs AppleBuy on iTunes checkmarkAdd to WatchlistWatch Full LengthProblems Playing Video?Report a ProblemClosed CaptioningShare:Share this video on FacebookFacebookShare this video on TwitterTwitterShare this video on Google PlusGoogleShare this video via EmailE-mailEmbedEmbed Code for this videoEmbed CodeCity in the SkyNext on Episode 2Season 1 Episode 2Width in pixels px Height in pixels px Copied to your clipboardUnable to copyLabelCopy to ClipboardClick to copy embed code for videoCloseCloseReport a ProblemBefore you submit an error, please consult our Troubleshooting Guide.Type of ErrorVideo doesn't loadVideo loads, but doesn't playVideo jumps back/forwardOnly audio is streamingSponsorship playback errorOtherPlease add more detailsCancelSubmit ReportYour report has been successfully submitted. Thank you for helping us improve PBS Video.CloseCloseClose Learn More Down Next on Episode 3 Getting on the ground safely takes an army of hidden experts and incredible technology. The ‘Jet Men’ and the Principles of Flight Explained Understanding the principles of flight via jet-powered humans. Official Trailer Explore a midair metropolis of a million people on flights that crisscross the world.