Land art and site specific sculpture in the urban setting. Environmental
sculpture is an art form which uses the environment as its material. Concrete
art is, like any art form, human made and is therefore geometric in essence.
Public art is art which can be viewed and accessed by the public.
drawing for an elliptical construction with four points (collection of the
Mondriaan House, museum for constructive and concrete art
(Het Mondriaanhuis, Museum voor Constructieve en Concrete Kunst) in Amersfoort NL)
