Fabulous city images are silk screen printed on the concrete floor of the Fünf Höfe centre in Munich. The centre was designed by architects Herzog and de Meuron.
The silk screening is an interesting process. Acidic gel is applied to the concrete and reacts with the top layer of mortar. The acid is then washed off with water leaving behind a relief pattern on the concrete surface. The required image is obtained by using stencils.
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