A man and his dog wade through a flooded road in Vila Velha, Espirito Santo state, Brazil, on December 27, 2013. At least 44 people have died and more than 60,000 have been left homeless following torrential rains over the past few weeks in southeast Brazil. (Photo by Yasuyoshi Chiba/AFP Photo)

Vultures gather to eat waste in Bica beach, on the banks of the Guanabara Bay, with the Sugar Loaf mountain in background, 500 days ahead the Rio 2016 Olympic Games in Rio de Janeiro March 24, 2015. As part of its Olympic bid, Rio promised to clean up 80 percent of the bay for the games. But local government officials have already admitted that a cleanup by 2016 is not achievable. Despite millions of dollars of investment over the years, the bay still stinks of sewage. Sailors who visited the city for test events complained of a floating sofa and a dead dog in the water. (Photo by Ricardo Moraes/Reuters)

In this March 18, 2015 photo, Andrea, better known as Loira, which is the Portuguese word for “blonde”, poses for a portrait in an open-air crack cocaine market, known as a “cracolandia” or crackland where users can buy crack, and smoke it in plain sight, day or night, in Rio de Janeiro, Brazil. Andrea says she is married and has a home, but she keeps returning to crackland to feed her addiction. (Photo by Felipe Dana/AP Photo)

A competitor poses on the catwalk during the Miss Bumbum Brazil 2017 pageant in Sao Paulo on November 07, 2017. Fifteen candidates are competing in the annual pageant to select the Brazil's sexiest female rear end. (Photo by Nelson Almeida/AFP Photo)

Hugo Belleri (L), a three-year-old boy and the youngest Gilles of Binche, takes part in the parade of Young Gilles of Binche during the carnival event in Binche February 17, 2015. The Binche carnival, a UNESCO World Heritage event, is the biggest and the liveliest annual event in Belgium. Up to 1,000 Gilles parade in the city centre of Binche, wearing a red, yellow and black medieval costume hung with bells and decorated with fluffy lace at the neck, wrists and ankles. (Photo by Yves Herman/Reuters)

Carnival revellers carry burning wooden sticks during the traditional Swiss Chienbaese celebration in Liestal near Basel February 22, 2015. (Photo by Ruben Sprich/Reuters)

A woman sits on the side of a street during the Grand Parade of Aalborg Carnival in Aalborg, Denmark May 23, 2015. (Photo by Henning Bagger/Reuters/Scanpix Denmark)

Dancers take part in the Karneval der Kulturen (Carnival of Cultures) street parade of ethnic minorities, in Berlin, Germany, May 24, 2015. A few dozen dancers, musicians and performers from dozens of communities took part in the urban festival on Sunday that aspires to reflect the multi-ethnic diversity of the German capital. (Photo by Hannibal Hanschke/Reuters)