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Fireworks light up the sky above the Sydney Harbour Bridge at midnight during New Years Eve celebrations on Sydney Harbour on December 31, 2012 in Sydney, Australia. Cameron Spencer/Getty Images
Fireworks explode above Copacabana beach in Rio de Janeiro January 1, 2013. More than two million people gathered along Rio's most famous beach to witness the 20-minute display and celebrate the beginning of a new year. Pilar Olivares/ Reuters
Fireworks explode over Elizabeth Tower housing the Big Ben clock to celebrate the New Year in London. Kirsty Wigglesworth/ AP
Fireworks explode across the skyline at the Wroclaw Market Square during New Year celebrations in Wroclaw . Reuters
Visitors take pictures and videos during a light show as part of a New Year countdown celebration at the financial square on the Bund in Shanghai . Reuters