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Trip, left, and Jess Barrios walk the Strip on Tuesday, Dec. 31, 2019, in Las Vegas.

Confetti falls at midnight on the Times Square New Year's Eve celebration, Wednesday, Jan. 1, 2020, in New York.

Revelers celebrate during a New Year's party in downtown Las Vegas on Wednesday, Jan. 1, 2020.

Fireworks are on display behind The Daniels and Fisher Tower for New Year鈥檚 Eve 2020 on Tuesday, Dec. 31, 2019 in Denver.

Polar Bear plungers bring in the New Year by jumping in the frigid waters of the Tay River in Perth, Ontario, Wednesday, Jan. 1, 2020.

Revellers enjoy air temperatures near freezing as they participate in the annual New Year's polar bear dip in the icy waters of Charlottetown harbour on Wednesday, Jan. 1, 2020, in Charlottetown, Prince Edward Island.

Fireworks explode over the Sydney Harbour Bridge and Sydney Opera House during the midnight display during New Year's Eve celebrations on Jan. 01, 2020 in Sydney, Australia.

Fireworks explode over the Sydney Harbour Bridge and the Sydney Opera House in the midnight display during New Year's Eve celebrations on Jan. 1, 2020 in Sydney, Australia.

People take a nap as they wait to celebrate New Years eve in Times Square on Dec. 31, 2019 in New York City. Because of the mild weather, a larger than usual crowd of people visiting from all over the world is expected to watch the ball drop.

A Chinese woman holding incense offers prayers on the first day of the New Year at Yonghegong Lama Temple in Beijing, Wednesday, Jan. 1, 2020. New Year's Eve isn't celebrated widely in mainland China, where the lunar New Year is a more important holiday. But countdown events were held in major cities, and some of the faithful headed to Buddhist temples for bell-ringing and prayers.

A woman takes a picture of flyers pasted on a wall during a pro-democracy march in Hong Kong on Jan. 1, 2020. - Tens of thousands of protesters marched in Hong Kong during a massive pro-democracy rally on New Year's Day, looking to carry the momentum of their movement into 2020.

Fireworks are seen on Copacabana beach during New Years Eve Celebration on Jan. 1, 2020, in Rio de Janeiro, Brazil.

Fireworks explode around the London Eye during New Year's celebrations in central London just after midnight on Jan. 1, 2020.

People take pictures of the fireworks erupting in the sky over the Arc de Triomphe during the New Year's celebrations on the Champs Elysees avenue, in Paris, on on Jan. 1, 2020.

Marco Fois dives into the Tiber river from the 18 meters (59 feet) high Cavour Bridge in Rome, Wednesday, Jan. 1, 2020.

Swimmers jump in the Atlantic Ocean during the annual New Year's Day Coney Island Polar Bear Plunge, Wednesday, Jan. 1, 2020, in the Brooklyn borough of New York.

Participants take part in the annual New Year's Day "Loony Dook" swim, in the Firth of Forth, in South Queensferry, near Edinburgh, on Jan. 1, 2020. - Every year people brave the River Forth, near the Forth Bridge, on New Year's Day to see in the New Year and raise money for charity.

Participants take part in the annual New Year's Day Parade in central London, on Jan. 1, 2020.

This aerial photograph shows participants of the traditional New Year's Dive running into the North Sea at Scheveningen in The Netherlands on Jan. 1, 2020.

Municipal employees clear the streets of the debris from New Year's Eve celebrations on Rembrandtplein in Amsterdam early Jan. 1, 2020. / Netherlands OUT (Photo by EVERT ELZINGA/ANP/AFP via Getty Images)

A boy takes pictures by the sea during sunset in the southeast resort of Ayia Napa in the eastern Mediterranean island of Cyprus, Wednesday, Jan. 1, 2020.