Korean Air is making transatlantic travel more enjoyable than ever with the debut of its first Boeing 747-8 Intercontinental, which features an updated version of the airline’s pod-like Kosmo Suites. Each first class accommodation boasts a spacious 79-inch-long, lie-flat seat; in-flight entertainment systems; handheld touch remotes; and sliding doors that only allow visibility from the inside—giving guests privacy without feeling too confined. This third-generation 747 is the world’s longest (about 250 feet) a…