AdvertisementA Historic Drought Grips Brazil's Economic CapitalFebruary 10, 2015Lulu Garcia-NavarrofacebookEmailBrazil's Atibainha river dam is shown here in December 2014. It is part of Sao Paulo's system of dams, which supplies about half the water to the metropolitan region of 20 million people and is now at historic lows. (AFP/Getty Images)
