Law of Situation , 1971/2017. Installation view at Venice Biennale, Italy, 2017. Photo: Joshua White/JWPictures.com.

Law of Situation, 1971/2017. Installation view at Venice Biennale, Italy, 2017. Photo: Joshua White/JWPictures.com.

  Gap of the Entrance to the Space , 1979/2015. Installation view at Museum of Contemporary Art, Tokyo, Japan, 2015. Photo: Tsuyoshi Satoh.

Gap of the Entrance to the Space, 1979/2015. Installation view at Museum of Contemporary Art, Tokyo, Japan, 2015. Photo: Tsuyoshi Satoh.

  Left-Behind Situation , 1972/2016. Installation view at Scottish National Gallery of Modern Art, Edinburgh, Scotland, 2016. Photo: Sam Drake.

Left-Behind Situation, 1972/2016. Installation view at Scottish National Gallery of Modern Art, Edinburgh, Scotland, 2016. Photo: Sam Drake.

  Edges of Gathered Realms , 1993/2016. Installation view at Scottish National Gallery of Modern Art, Edinburgh, Scotland, 2016. Photo: Sam Drake.

Edges of Gathered Realms, 1993/2016. Installation view at Scottish National Gallery of Modern Art, Edinburgh, Scotland, 2016. Photo: Sam Drake.

  Units of Dependency , 1974/2016. Installation view at the Pirelli HangarBicocca, Milan, Italy, 2016. Photo: Agostino Osio.

Units of Dependency, 1974/2016. Installation view at the Pirelli HangarBicocca, Milan, Italy, 2016. Photo: Agostino Osio.

  Continuous Existence—HB , 1977/2016. Installation view at the Pirelli HangarBicocca, Milan, Italy, 2016. Photo: Agostino Osio.

Continuous Existence—HB, 1977/2016. Installation view at the Pirelli HangarBicocca, Milan, Italy, 2016. Photo: Agostino Osio.

  Soft Concrete , 1970/2013. Installation view at The Rachofsky Collection, Dallas, TX, 2013.

Soft Concrete, 1970/2013. Installation view at The Rachofsky Collection, Dallas, TX, 2013.

  Law of Halted Space , 2016. Installation view at Dia:Chelsea, New York, NY, 2016. Photo: Bill Jacobson Studio, New York.

Law of Halted Space, 2016. Installation view at Dia:Chelsea, New York, NY, 2016. Photo: Bill Jacobson Studio, New York.

  Concealed and Enclosed Surroundings , 1997. Installation view at Busan Museum of Modern Art, Korea, 2010. Photo: Tsuyoshi Satoh.

Concealed and Enclosed Surroundings, 1997. Installation view at Busan Museum of Modern Art, Korea, 2010. Photo: Tsuyoshi Satoh.

  Law of Peripheral Units , 1997/2017. Installation view at Pompidou Metz, France, 2017. Photo: Tsuyoshi Satoh.

Law of Peripheral Units, 1997/2017. Installation view at Pompidou Metz, France, 2017. Photo: Tsuyoshi Satoh.