Mack's manifestos from the ZERO movement would serve as the foundation for his artistic output in the subsequent decades which included
monumental sculpture,
land art, light
art, kinetic creations and conceptual
projects around the world.
[9] During this period, exponents of
land art rejected the museum or gallery as the setting of artistic activity and developed
monumental landscape
projects which were beyond the reach of traditional transportable sculpture and the commercial
art market, although photographic documentation was often presented in normal gallery spaces.