If these were owned by US troops the how did they manage to nab a hold of them in the first place? Presumably they just stole them off of the street. So by my reckoning its more like a bunch of guys stole a load of cars and hid them away in the forest so nobody else could have them. For the price of buying a new car in the US, there'd be no point in shipping one of those across the ocean unless someone was particular fond of a European model. Yeah, could anyone identify any of those cars that aren't from the early 40s? It just seems rather odd that nobody would've come along and looted those things, as five hundred cars in decent condition seem like an odd thing not to notice. Meh, strange things happen.
Anyway, yeah I seen a news report of these a while ago and totally forgot about them. It is an interesting concept for countries with a wetter climate than your typical dry American setting. Perhaps not one set a decade after the disaster, but a generation or two (I don't know how long it takes for a tree to grow to a few floors in height though). It'd be an interesting board to play on which looked like that, though I don't know how practical it would be (I play pretty terrain heavy boards, but all those trees would make actually moving anything a bitch). Actually come to think of it there was a mod for Fallout 3 which changed a single common type of rock into a tree turning the whole game into a forested wasteland (along with changing the weather and other things). Pretty cool to see cars woven in amongst thickets of trees, and other things that you wouldn't notice until you stopped and started having a proper look.