Impossible figures in advertising

Plånyl

In this poster we see a new variation of Escher's Waterfall, which constists of parts of water supply production of Swedish company Plånyl.

The image was found at the gallery of museum of Frankfurt Science Center EXPLORA, where you can see many examples of artworks with optical illusions examples.

The image was found at http://www.explora.info/pressepix/pressepix9.php