Nils-Udo (born 1937) is a German artist from Bavaria who has been creating environmental art since the 1960s when he moved away from painting and the studio and began to work with, and in, nature.

He began in the 1960s as a painter on traditional surfaces, in Paris, but moved to his home country in Bavaria and started to plant creations, putting them in Nature's hands to develop, and eventually disappear.

Udo creates the effect of an ancient temple by installing in the middle of the structure an enormous cube of rock framed by a monumental architectural trunk form made out of wood.

The quartzite monolith weighs almost 150 tons and, integrated into the peaceful grandeur of the forest, it forms a monument and memorial in its own right: its size, its timeless association with the earth, and its uniqueness.

[6] The community of d’Éguzon-Chantôme and Crozant had the desire of local authorities to initiate artistic and cultural projects in a remote rural areas based on the environmental qualities of its sites.

and thus exposing himself to a new reading, to a new look: the wooden raft and water, leaf reflecting on the river at the foot of the granite ruins and recalling the steep ridges of the surrounding landscape.