Unless you were living as a hermit away from any internet connection last year, you have probably heard of Gangnam Style, the phenomenal video sensation by South Korean entertainer PSY, aka Park Jae-sang, that took over the world. But Gangnam is not just the name of a rap song featuring a geeky looking dude dancing like a madman. It's also the name of a district in Seoul, South Korea, and that's where this interesting line of bento boxes come from.