Karl Gerstner is one of Daniel Spoerri’s oldest friends. And so it was vital that a work by him should be a part of the Giardino. Since Gerstner is above all known as a painter and graphic artist who employs the finest chromatic gradations, some planning for his integration into the Giardino had to be undertaken. Finally, he implemented a nuanced, sophisticated idea in »Plato’s Forest«. The partially white painted trunks of the pine trees do not appear to be in any particular order. Nevertheless, when viewed from a certain point, the white surfaces precisely display a cube.