Mono-ha is the name given to group of 20th century Japanese artists, although there is some debate about whether Mono-ha was an art movement or part of the conceptual art movement. It shares features of, the Land Art movement, Fluxus and Conceptual art.
 Phase-Mother Earth
Nobuo Sekine's Phase-Mother Earth is considered to be the initial work of the Mono-ha movement. Originally created in Suma Rikyu Park in Kobe, and without official permission. The work was re-created in 2008. It was a large cylindrical tower made of packed earth, which was removed from a cylindrical hole with the same shape.
|Year||1968 and 2008|
|Dimensions||2.7 m × 2.2 m (110 in × 87 in); 2.2 m diameter (87 in)|
- "Series: 1000 artworks to see before you die". The Guardian. 30 October 2008. Retrieved 2 August 2011.
- Rawlings, Ashley (2008). "Nobuo Sekine's "Phase-Mother Earth" Under Reconstruction". Art Space Tokyo (October 28). Retrieved 31 July 2011.