In this Sept.19, 2015 photo, gaucho Vanderlei Carvalho, 54, drinks mate during the Semana Farroupilha or “Ragamuffin” week, in Alegrete municipality, Rio Grande do Sul state, Brazil. Mate is a traditional South American infused drink, it is prepared by steeping dried leaves of mate herb in hot water and is served with a metal straw from a shared hollow calabash gourd. (AP Photo/Eraldo Peres)