I received an email yesterday from Mark Dytham over at KDa on a current project of theirs. They are camouflaging two 20 year old, 40-story towers; so during the snowy season the black and white one blends into the landscape, and during the summer months the green one blends in. Very cool twist on re-facing a building.
Again, Check their website, their work is incredible.
Previously - Klein Dytham Architecture
Side note: I really like the layout and navigation of the KDa website. I find many architects strive for a uniquely-designed experience on a website, which ends up confusing and kind of retarded. Take a clue here, everything laid out on the bottom and always accessible. Some awkward sites that tend to make you lose interest very fast: