Living In An Airport?

Have you ever seen the movie The Terminal with Tom Hanks? Did you know that the film is based off of a true event?
Is it really possible to live in an airport? Even then, just how could one survive while living in an airport.
Check out how these two guys attempted it live in an airport for 4 days!
Warning: As stated in the video, this is not recommended. Entering an airport without the intent of traveling is an arrestable offense.