RIO DE JANEIRO, BRAZIL - MARCH 01: Brazilian President Dilma Rousseff prepares to inaugurate the new Rio 450 tunnel on the 450th anniversary of the founding of Rio de Janeiro on March 1, 2015 in Rio de Janeiro, Brazil. Rio marks its 450th anniversary today and is celebrating the event with a yearlong series of events including concerts, exhibitions, historical tours, soccer matches, fireworks displays and other activities. The ''Marvelous City'' was founded in 1565 by the Portuguese and was the seat of power of the Portuguese Empire in the 19th century before serving as the capital of the Brazilian Republic until 1960. The city is Brazil's most popular tourist destination and will host the Rio 2016 Olympic Games, the first to be held in South America, next year. (Photo by Mario Tama/Getty Images)
