Watch Modern Marvels Season 5 Episode 14 Online
-
- COUNTRIES: United States of America
- Subtitles: English
Everyday 3-million passengers board the 10,000 aircraft flying at any given moment. Go behind the scenes at international airports to see the inner workings that make commercial air travel possible–from ground control in air traffic towers, the plane's cargo holds and high-tech security, and back to earth at customs.