I saw some photos of this during the Beijing Games, but here you go: Why hosting isn’t quite the economic/infrastructural boon it’s made out to be:

io9 – Eight years after the Athens Olympics, many venues have been left to rot

(Although, there are lots of Canadian winter athletes who come from around the detritus of the Calgary Games, which is all mostly functional, so I suppose it rather depends on the host nation to make use of all the stuff they’re forced to pay for.)