American Airlines maintains one of its largest hubs at Philadelphia International Airport (PHL), making up over half of all passenger traffic at the airport and around three of every four flights. The ...

So, when Korean Air invited me to the unveiling of their new corporate identity in Seoul, I begged my editor for the chance to go and hear more about what goes into an airline updating its livery.

From 619 teen entries, we are featuring 10 extraordinary pieces. Take a look. By The Learning Network A look at nine fascinating communities from around the world, as documented by teenagers there.