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The office building, which stands right in front of the district heating plant like a huge matchbox, hiding the view of it from downtown, was originally intended to form a unit with the heating plant. Unfortunately, this plan was not realised when lower, more drab buildings were added to the office building. But since the responsible parties wanted a more imaginative apearance, Hundertwasser found a simple solution: tongues of flame of enamel sheet metal which seem to flow from the letters of the name "Fernwärme Wien" and run their irregular course vertically between the windows. The forkings of the flames point to the largely environmentally compatible garbage-incinerating plant. The roofs of the building have trees and are studded with golden spheres. The supporting pillars are mad of hard ceramics; on the "bow" pointing in the direction of Vienna a maple tree is growing.(from: Hundertwasser Architecture, Cologne, 1997, p. 192)