Megastructures - How Inter[-n-a-t-i-o-n-a-l-] Airports Are Built Documentary - Documentary [F-L-M]s (Official) An inter[-n-a-t-i-o-n-a-l-] airport is an airport terminal that offers cust-o-ms .br br br br Megastructures - How Inter[-n-a-t-i-o-n-a-l-] Airports Are Built Documentary - Documentary [F-L-M]s (Official) An inter[-n-a-t-i-o-n-a-l-] airport is an airport terminal that offers cust-o-ms .