Maria Victoria Agostinho, 5, walks outside her home in the Vila Autodromo area of Rio. Her family is slated for eviction, along with others in the area, to make way for building projects related to the 2016 Summer Olympics. Lianne Milton for NPR hide caption

itoggle caption Lianne Milton for NPR

Local authorities celebrate a demolition explosion that's part of Rio's Porto Maravilha urbanization project, in Rio de Janeiro, on Nov. 24, 2013. The state- and federal-supported project is part of the city's redevelopment ahead of the 2016 Summer Olympic Games. Pilar Olivares/Reuters /Landov hide caption

itoggle caption Pilar Olivares/Reuters /Landov

The delegation of the International Federation of Associated Wrestling Styles celebrates as its sport is voted to be included in the 2020 and 2024 Summer Olympic Games. Scott Halleran/Getty Images hide caption

itoggle caption Scott Halleran/Getty Images

Tokyo will host the 2020 Summer Games, IOC officials said Saturday. In Tokyo, five-time Paralympian Wakako Tsuchida, left, and former Olympic athletes Hiromi Miyake, center, and Yoshiyuki Miyake cheer the news. Atsushi Tomura/Getty Images hide caption

itoggle caption Atsushi Tomura/Getty Images

A team of torchbearers brings the Paralympic flame through Piccadilly Circus as the torch heads across London to the Olympic Stadium. The Paralympic Games' opening ceremony will be held Wednesday at 3:30 p.m. ET. LOCOG/Getty Images hide caption

itoggle caption LOCOG/Getty Images

Michael Phelps swims in a preliminary heat at the 2012 U.S. Olympic Trials in Omaha, Nebraska. Phelps and rival Ryan Lochte were awoken from their afternoon naps by a fire alarm at their hotel Monday. Al Bello/Getty Images hide caption

itoggle caption Al Bello/Getty Images

Many track fans watched online four years ago, as sprinter Usain Bolt set a world record at the Beijing Olympics. This year, NBC will stream video of all 302 events online. And Bolt, seen here showing his appreciation for video in 2010, will try to repeat his feat. Mark Dadswell/Getty Images hide caption

itoggle caption Mark Dadswell/Getty Images

Olympic beach volleyball player Kerri Walsh says of this year's Summer Games: "We're feeling really good; we can't wait for London. We want to do what's never been done before, which is three consecutive gold medals." Harry How/Getty Images hide caption

itoggle caption Harry How/Getty Images

U.S. Olympic Equestrian rider Phillip Dutton jumps with Zeizos in West Grove, Pa., in this 2010 photo. Dozens of horses will fly from America to England for the 2012 Summer Olympics. Don Emmert/AFP/Getty Images hide caption

itoggle caption Don Emmert/AFP/Getty Images