This documentary by Portuguese filmmaker Silvino Santos captures the Amazon region in the early 20th century. It showcases the tropical flora, fauna, and inhabitants of the Brazilian Amazon with captivating footage of caimans, jaguars, and indigenous rituals. With the earliest know moving images of the region, it offers an glimpse into the Witoto people's culture. It also explores the early industries of rubber, wood, Brazil nuts, cotton, wild animal skins, and even egret feathers, which were popular in women's fashion.