Confetti is dropped on revelers at midnight during New Year celebrations in Times Square in New York on Tuesday, January 1. GARY HERSHORN/Reuters/Landov

National Guardsman John Cebak kisses his fiancee, Sonja Babic, at the start of the new year in New York's Times Square. KEITH BEDFORD/Reuters/Landov

Fireworks light up the sky along Copacabana Beach in Rio de Janeiro, Brazil. More than 2 million people gathered along Rio's most famous beach to bring in the new year. ARI VERSIANI/AFP/Getty Images

A woman watches fireworks burst above Copacabana Beach in Rio de Janeiro. PILAR OLIVARES/REUTERS/LANDOV

Gary Marion, portraying female impersonator Sushi, hangs in an oversized replica of a women's red high heel over Duval Street in Key West, Florida. The Red Shoe Drop has become a Key West tradition. Andy Newman/Florida Keys News Bureau/Reuters/Landov

People celebrate the new year in Bucharest, Romania. Gabriel Petrescu/XINHUA/LANDOV

South Korean singer Psy performs with rapper MC Hammer during New Year's Eve celebrations in Times Square in New York. EMMANUEL DUNAND/AFP/Getty Images

People gather in New York's Times Square to celebrate. Monika Graff/Getty Images

Fireworks light up the sky above Funchal Bay, Madeira Island, to celebrate the arrival of the new year in Portugual. GREGORIO CUNHA/AFP/Getty Images

Fireworks explode over Victoria Harbour to celebrate the new year in Hong Kong. ANTONY DICKSON/AFP/Getty Images

A man and his son celebrate the new year at Alexander of Battenberg Square in Sofia, Bulgaria, early Tuesday. DIMITAR DILKOFF/AFP/Getty Images

People in Dresden, Germany, set off fireworks to ring in the new year. ROBERT MICHAEL/AFP/Getty Images

Fireworks erupt over on the Elbe River during New Year's Eve celebrations in Dresden. ROBERT MICHAEL/AFP/Getty Images

Sri Lankan Buddhists light incense sticks as they offer prayers at the Kelaniya Temple in Kelaniya. Many marked the beginning of 2013 with religious ceremonies. Ishara S.KODIKARA/AFP/Getty Images

The Cristo del Picacho monument is iluminated by fireworks on New Year's Eve in Tegucigalpa, Honduras. ORLANDO SIERRA/AFP/Getty Images

Thousands of South Koreans attend the New Year's countdown celebration in central Seoul. KIM JAE-HWAN/AFP/Getty Images

Fireworks are launched from the Taipei 101 building to mark the new year in Taiwan. The 509-meter skyscraper was once the world's tallest building. SAM YEH/AFP/Getty Images

People gather as they celebrate the arrival of 2013 on Trocadero Square beside the Eiffel Tower in Paris. FRED DUFOUR/AFP/Getty Images

A band performs in front of the Acropolis during celebrations in Athens. LOUISA GOULIAMAKI/AFP/Getty Images

People gather on Champs-Elysees Avenue in Paris to mark the beginning of 2013. MIGUEL MEDINA/AFP/Getty Images

People watch performers in central Athens on New Year's Eve. LOUISA GOULIAMAKI/AFP/Getty Images

Fireworks light up the ancient Colosseum in central Rome's Via dei Fori just after midnight on January 1. VINCENZO PINTO/AFP/Getty Images

People in Dubai watch fireworks over Burj Khalifa, the tallest skyscraper in the world. KARIM SAHIB/AFP/Getty Images

Pakistani youths celebrate the new year on a street in Lahore early Tuesday. Arif Ali/AFP/Getty Images

Fireworks light up the London skyline and Big Ben just after midnight Tuesday morning. Peter Macdiarmid/Getty Images

Partiers in Beirut, Lebanon, celebrate the new year early Tuesday. ANWAR AMRO/AFP/Getty Images

Fireworks erupt over the Brandenburg Gate on New Year's Eve in Berlin. JOHN MACDOUGALL/AFP/Getty Images

NATO troops from the International Security Assistance Force look on during celebrations on New Year's Eve right before the start of 2013 in Kabul, Afghanistan. MASSOUD HOSSAINI/AFP/Getty Images

Two revellers kiss as they celebrate the new year during a countdown event at the Summer Palace in Beijing. Ed Jones/AFP/Getty Images

People gather to release balloons during New Year's celebrations at the Prince Park Tower in Tokyo. Some 1,000 balloons containing the visitors' wishes were released. KAZUHIRO NOGI/AFP/Getty Images

Fireworks are launched over Jakarta's main business road to mark the new year in Jakarta, Indonesia. BAY ISMOYO/AFP/Getty Images

Revellers wear 2013-style glasses as they celebrate the new year in Beijing. Ed Jones/AFP/Getty Images

Boats dot Sydney Harbour as New Year's Eve fireworks erupt over the Sydney Harbour Bridge. GREG WOOD/AFP/Getty Images

People line the harbour in anticipation of New Year's Eve celebrations in Sydney on Monday, December 31. Brendon Thorne/Getty Images

A decorated spectator is ready to celebrate in Sydney on Monday. Brendon Thorne/Getty Images

Indian revelers hold signs in Amritsar on Monday. NARINDER NANU/AFP/Getty Images

A worker puts up a sign ahead of Myanmar's first public New Year countdown celebration at the Myoma grounds in Yangon on Monday. SOE THAN WIN/AFP/Getty Images

Shinto priests purify themselves with pieces of paper during a ritual end-of-the-year ceremony at Meiji Shrine in Tokyo on Monday. Millions of Japanese people visited shrines and temples across the country to celebrate the new year. YOSHIKAZU TSUNO/AFP/Getty Images

Indian children used their 2013 celebration to pay homage to the New Delhi gang-rape victim in Ahmedabad on Monday. SAM PANTHAKY/AFP/Getty Images