As early as the 1980s, the Austrian artist Friedensreich Hundertwasser was creating a stir with his natural designs in Vienna. As an "architecture doctor", Hundertwasser's goal was to reshape austere buildings by introducing irregular structures and vegetation in a harmonious fashion.

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The 3^rd District's Hundertwasserhaus, the greenest apartment complex in central Vienna, the Hundertwasser Village across the street with a shop and cafe, and the Kunst Haus Wien, the Hundertwasser Museum, are all famous. Both the rooftops and walls of these three buildings are greened with trees, shrubbery and flowers in surprising, bright colors.

Did you know that Vienna's green belt has tripled in size since 1905 to 19,000 hectares, and almost completely encircles the city?

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Flower stores complete the green image of the city in many places, like the Blumenhaus zum Dom. A truly green oasis is the Roman Market Hall in the former stock exchange on Schottenring. That's hardly surprising. After all, the Lederleitner flower shop, whose magnificent blooms and colors also adorn Restaurant Hansen in the Market Hall, one of the many Viennese restaurants with the green extra.

Did you know that more than half of Vienna's municipal area is covered with greenery? This includes not only parks and gardens but countless green roofs and walls as well.

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Even along the Wiener Gürtel, the main transit corridor around Vienna's central districts, more and more parks and green spaces are being integrated to contribute to the improvement of air quality. The first step was the greening of the facade of the Agency for Waste Prevention and Separation.