And to think that is NOT the whole model. From what I've heard there are 6 more levels of models there, (had a friend who went there in March, & said the airport model was open then).
Found this link from youtube about the whole shindig
http://www.youtube.com/watch?v=PN_oDdGmKyA
Also have been watching this on youtube, the series of building the airport. Unfortunately it is in german, so have no idea what the guys is saying.
http://www.youtube.com/user/MiWuLaTV.../0/bUqMbtMcECE