Marina Abramovic y Ulay.

Relation in Space, 1976.

https://www.youtube.com/watch?v=_dCIa8n0HZQ&t=52s

Relation in Time, 1977.

https://www.youtube.com/watch?v=1sRSoGAc3H0&t=60s

Death Self, 1977.

https://www.youtube.com/watch?v=KeaUOdvo0BA

AAA-AAA, 1978.

https://www.youtube.com/watch?v=KeaUOdvo0BA

Rest Energy, 1980.

https://www.youtube.com/watch?v=QcaaVZrUC44