In this May 17, 2017 photo, cowboy Joao Aquino Pereira, 66, cooks "churrasco," or barbecue, at a ranch in Corumba, in the Pantanal wetlands of Mato Grosso do Sul state, Brazil. Dressed with leather chaps on top of their jeans, Stetson hats and machetes attached to their waists, before setting off the men finish their breakfast with "terere," an herbal "mate" tea served ice cold from a cup made out of an ox horn. (AP Photo/Eraldo Peres)