In this May 16, 2017 photo, a cowboy serves "Terere," an herbal "mate" beverage, served ice-cold in an ox horn, in Corumba, in the Pantanal wetlands of Mato Grosso do Sul state, Brazil. "Terere" is sipped through a silver straw, the personal property of each cowboy. (AP Photo/Eraldo Peres)