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The Waldenspire by Friedensreich Hundertwasser is a fantastical piece of architecture that is both a funky aesthetic statement and a thoroughly green space.

The roof of the colorful, spiraling apartment building has a veritable forest growing on top of it and features a colorful mismatching of colors and textures. The Waldenspire by Friedensreich Hundertwasser is home to over 105 apartments, but what is most astonishing is that no two of its 1,000+ windows are the same.

Implications - The various environmental benefits of a green roof like this are undeniable. From the creation of insulate interior spaces to the reduction of stormwater runoff and most notably the reduction of the urban heat island effect, the Waldspirale promises an eco-friendly solution to architecture.