Indigenous man hung on a pau-de-arara during the graduation ceremony for the first Rural Indigenous Guard (GRIN) troop. The pau-de-arara is a very common torture mechanism in Brazil. Source: https://www.brasildefato.com.br/2018/01/16/ditadura-militar-a-terrivel-violencia-contra-os-indios-em-mg/; originally from the full vídeo of the ceremony in the Museum of the Indian archive.
4