Fireworks light up the London skyline and Big Ben as New Year's Eve become New Year's Day. Thousands of people lined the banks of the River Thames in central London to celebrate the arrival of 2012 with a spectacular fireworks display.
Female impersonator Gary Marion, as "Sushi," dangles high above revelers in a giant reproduction of a woman's high heel at the Bourbon Street Pub complex in Key West, Fla. The Red Shoe Drop is a Key West New Year's tradition.
Men dressed as Vikings lead the annual torchlight procession in Edinburgh, Scotland. Thousands joined in the procession, which is followed by the burning of a Viking long ship to mark the start of Edinburgh's Hogmanay celebrations.
Thousands of Egyptian Muslims and Coptic Christians attend a celebration on New Year's Eve in Tahrir Square in Cairo as they remember those killed in the revolution that ended the long reign of President Hosni Mubarak.
Thousands of biodegradable balloons are released by Sao Paulo's Commercial Association at Patio do Colegio, site of this Brazilian city's foundation in 1554. The workers of the association started releasing balloons in 1992. It has now become a tradition for celebrating the New Year.