Maquillages (Barbet Schroeder, 1971)

Anthropological documentary about Papua New Guinea carried out with some of the material filmed in that country during the shooting of 'La Vallée' (1972). It shows members of a tribe smeared with yellow clay in mourning; performing a ritual dance with deformed masks and putting on makeup with bright colors. https://www.imdb.com/title/tt0443328/