Brazil, the second largest mate tea producer in the world, has a long history of drinking this refreshing beverage. The iced mate tea vendors, who sell the tea with its strong cultural significance, display boisterous energy as they peddle the drink along Rio's beautiful beaches – a visible example of the city's informal economy. Fábio Lázaro, 31, a tea vendor working on the famous Ipanema Beach, tells us what a day "working in paradise" is like.