During her lifetime, singer and dancer Carmen Miranda (shown here in a dressing room at the London Palladium in 1948) was a huge success in the United States, but rejected at home in Brazil as a sellout. George Konig/Keystone Features/Getty Images hide caption

itoggle caption George Konig/Keystone Features/Getty Images

Rio has hosted competitions that include athletes with physical impairments (above: the open water swim at Copacobana beach for the Rei e Rainha do Mar). But there's never been an event on the scale of the Paralympics. Buda Mendes/Getty Images hide caption

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People, most of them unemployed, line up March 19 at a popular Itaborai, Brazil, restaurant where they can have lunch for about 30 cents. The Petrobras refinery and processing plant on the outskirts of town has been shut down; tens of thousands are now out of work in the area. Vanderlei Almeida/AFP/Getty Images hide caption

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Polina, 37, rests in a hospital bed in St. Petersburg, Russia, in 2011. She is severely malnourished and suffers from numerous diseases, including tuberculosis, hepatitis C and HIV. Misha Friedman hide caption

itoggle caption Misha Friedman

Embattled Brazilian President Dilma Rousseff (shown here at the 21st International Construction Salon in Sao Paulo, Brazil, on Tuesday) was elected four months ago. Her administration has been hit hard by economic problems and a massive corruption scandal at the state oil company, Petrobras. Nelson Almeida/AFP/Getty Images hide caption

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Performers from the Beija-Flor samba school parade on a float during Carnival celebrations at the Sambadrome in Rio de Janeiro on March 3, 2014. That year, the Beija-Flor parade was centered on a theme of communication throughout history; this year's theme, underwritten by Equatorial Guinea, is more controversial. Felipe Dana/AP hide caption

itoggle caption Felipe Dana/AP

A demonstrator dressed as a bather protests against the rationing of water, outside the official residence of Sao Paulo's Governor Geraldo Alckmin in Sao Paulo, on Jan. 26. The banner behind him reads, "Planet Water, Dry Lives." Andre Penner/AP hide caption

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Mercedes-Benz, Ford and Volkswagen workers block the Anchieta highway in Sao Bernardo do Campo. Thousands of metalworkers marched to protest layoffs by carmakers expecting little or no rebound from a sharp 2014 downturn. Adonis Guerra/Reuters/Landov hide caption

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United States' Abby Wambach fights for the ball with Brazil's Bruna Benites during a final match of the International Women's Football Tournament in Brasilia, Brazil, Sunday. The game ended in a draw, giving Brazil the tournament victory. Eraldo Peres/AP hide caption

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Brazil's President Dilma Rousseff begins to cry as she delivers a speech during the final report of the National Truth Commission on Violation of Human Rights during the military dictatorship from 1964-1985 in Brasilia on Wednesday. She is among the thousands who were tortured during that brutal period. Ed Ferreira/Agencia Estado/Xinhua/Landov hide caption

itoggle caption Ed Ferreira/Agencia Estado/Xinhua/Landov

Brazilian fruits, including jambu and tapereba (lower right), displayed for a gathering of chefs in Sao Paolo. Paula Moura for NPR hide caption

itoggle caption Paula Moura for NPR

Residents look on as Brazilian military police officers patrol Mare, one of the largest complexes of favelas in Rio de Janeiro, Brazil, on March 30. In one of the world's most violent countries, homicide rates are dropping — but only for whites. Mario Tama/Getty Images hide caption

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Brazil's judicial system faces a massive backlog of cases — and stacks of paperwork. One group of five judges in Sao Paulo is currently handling 1.6 million cases. G Dettmar/National Council of Justice hide caption

itoggle caption G Dettmar/National Council of Justice