A protester holds up a symbolic chain as the trial of ousted Egyptian president Hosni Mubarak continues on February 16, 2012 in Cairo, Egypt. (Photo by Carsten Koall/Getty Images)
Brazilian revelers pose during Carnival celebrations along Ipanema beach on February 18, 2012 in Rio de Janiero, Brazil. (Photo by Mario Tama/Getty Images)
KARA perform on stage during their first solo concert KARASIA at Olympic gymnasium on February 18, 2012 in Seoul, South Korea. (Photo by Chung Sung-Jun/Getty Images)