Fireworks explode over the Victoria Harbor during New Year's Eve to celebrate the start of year 2019 in Hong Kong, Tuesday, Jan. 1, 2019. (AP Photo)

Fireworks explode over the Sydney Harbour during New Year's Eve celebrations in Sydney, Tuesday, Jan. 1, 2019. (AP Photo)

Fireworks explode over the London Eye during the New Year's eve celebrations after midnight in London, Tuesday, Jan. 1, 2019.(AP Photo)

Fireworks explode over the Arc de Triomphe during the New Year's Day celebrations on the Champs Elysees, in Paris, Tuesday, Jan. 1, 2019. (AP Photo)

People watch fireworks during New Year celebration in downtown St.Petersburg, Russia, Tuesday, Jan. 1, 2019. (AP Photo)

Spectators watch as fireworks explode in front of Malaysia's landmark building, the Petronas Twin Towers, during the New Year's celebration in Kuala Lumpur, Malaysia, Tuesday, Jan. 1, 2019.(AP Photo)

People participate in the annual New Year's swim in harbor of Copenhagen on Monday, Dec. 31, 2018. (Bax Lindhardt/Ritzau Scanpix via AP)

Fireworks explode over Martyrs Square during New Year's Day, in downtown Beirut, Lebanon, Tuesday, Jan. 1, 2019. (AP Photo)

Confetti rains down on revelers at the Eastwood Shopping Mall as Filipinos welcome the New Year Tuesday, Jan. 1, 2019, in suburban Quezon city northeast of Manila, Philippines. Filipinos welcome the New Year with the loudest noise possible including setting off powerful firecrackers in one of Asia's most violent celebrations. (AP Photo)

Fireworks light the sky above illuminated Christmas tree at the Cathedral Square in Vilnius, Lithuania, shortly after midnight during the New Year's celebrations, Tuesday, Jan. 1, 2019. (AP Photo)

Fireworks light the sky above the Quadriga at the Brandenburg Gate shortly after midnight in Berlin, Germany, Tuesday, Jan. 1, 2019. Hundred thousands of people celebrated New Year's Eve welcoming the new year 2019 in Germany's capital. (AP Photo)

A reveler prepares to countdown to the new year in Beijing, China, Monday, Dec. 31, 2018. (AP Photo)