Rio's Operations Center brings together more than 30 agencies and allows them to coordinate on daily issues such as traffic, as well as on emergencies such as the frequent flash floods in hillside slums. Raphael Lima/Courtesy of the Operations Center, City of Rio De Janeiro hide caption

itoggle caption Raphael Lima/Courtesy of the Operations Center, City of Rio De Janeiro

Cassia Mendes, who has worked as a housekeeper for more than 20 years, cleans a house in Sao Paulo, Brazil, on Feb. 19, 2012. Brazil enacted on April 2 a constitutional amendment to grant domestic workers health insurance and other benefits. AFP/Getty Images hide caption

itoggle caption AFP/Getty Images

A drug-sniffing dog checks bags at a Brazilian border crossing with Bolivia on April 3. With an increase in illegal immigration and drug smuggling, Brazil is planning to build a virtual fence along its 10,000-mile border. Yasuyoshi Chiba/AFP/Getty Images hide caption

itoggle caption Yasuyoshi Chiba/AFP/Getty Images

NPR South America Correspondent Lourdes Garcia-Navarro after receiving her Edward R. Murrow Award in 2012. Photo by Joyce N. Boghosian, courtesy of the Corporation for Public Broadcasting hide caption

itoggle caption Photo by Joyce N. Boghosian, courtesy of the Corporation for Public Broadcasting

Daniele Coelho holds her newborn daughter as doctors finish her cesarean section at the Perinatal Clinic in Rio de Janeiro on Aug. 2. Brazil has one of the world's highest rates of cesarean births. Felipe Dana/AP hide caption

itoggle caption Felipe Dana/AP

A youth smokes crack in the Manguinhos slum in Rio de Janeiro in 2012. A crack epidemic is one factor contributing to the sharp rise in crime committed by Brazilian minors. Felipe Dana/AP hide caption

itoggle caption Felipe Dana/AP

The renovated Maracana stadium hosts a game by the teams "Friends of Bebeto" and "Friends of Ronaldo" during the stadium's inauguration in Rio de Janeiro on Saturday. Silvia Izquierdo/AP hide caption

itoggle caption Silvia Izquierdo/AP

A portrait is projected on the walls of a building as part of a project promoting art through re-evaluating urban spaces and buildings in Sao Paulo, Brazil, on Nov. 22. Yasuyoshi Chiba/AFP/Getty Images hide caption

itoggle caption Yasuyoshi Chiba/AFP/Getty Images

Tatiana Coelho buys fruit from a vendor in a favela in Rio de Janeiro, Brazil, on Sept. 20, 2012. Prices, especially for food, are skyrocketing in Brazil. Melanie Stetson Freeman/Christian Science Monitor via Getty Images hide caption

itoggle caption Melanie Stetson Freeman/Christian Science Monitor via Getty Images

Ali Hamdani was a doctor in Iraq before becoming a translator for NPR. He now lives in North Carolina. Lourdes Garcia-Navarro/NPR hide caption

itoggle caption Lourdes Garcia-Navarro/NPR

A Palestinian family rides on a donkey cart along a waste dump in Al-Nusirat, central Gaza Strip, in February. Living conditions continue to deteriorate for the 1.8 million Palestinians who reside in Gaza. Ali Ali/EPA/Landov hide caption

itoggle caption Ali Ali/EPA/Landov