Members of Vila Isabel samba school perform during the last night of Rio's Carnival parade at the Sambadrome Marques de Sapucai in Rio de Janeiro, Brazil. AFP / CARL DE SOUZA

Members of the Salgueiro samba school perform during the last night of Rio's Carnival parade at the Sambadrome Marques de Sapucai in Rio de Janeiro. AFP / CARL DE SOUZA

The pack rides during the third stage of the UAE Cycling Tour from al-Maroom to Jebel Hafeet. AFP / Giuseppe CACACE

Schoolchildren from local schools take part in the children's races prior to the annual Pancake race in Olney, Buckinghamshire, England. (AP Photo/Alastair Grant)

A kayaker paddles past a field of Lake Michigan ice Monday off the shores of St. Joseph, Mich. (Don Campbell/The Herald-Palladium via AP)

A demonstrator is detained by riot police during clashes which erupted in a protest against Chile's President Sebastian Pinera in the country's seaside resort of Vina del Mar, where the Vina del Mar International Music Festival- is being held. AFP / Javier TORRES