Pictures: New Year's Eve celebrations around the world

Sydney, Australia: People take pictures as fireworks explode over the Sydney Harbour Bridge and Sydney Opera House during New Year's Eve. (Hanna Lassen/Getty Images)

Sydney, Australia: Fireworks explode over the Sydney Harbour Bridge and the Sydney Opera House during New Year's Eve celebrations.  (James Gourley/Getty Images)

Brisbane, Australia: Crowds watch a fireworks display during New Year's Eve celebrations.  (Dan Peled/AAP Image via AP)

Hong Kong: New Year's fireworks light up the sky as protesters gather during a demonstration. (AP Photo/Lee Jin-man)

Seoul, South Korea: Women pose for a picture in front of a 2020 luminous sign during New Year's Eve celebrations.  (REUTERS/Kim Hong-Ji)

New York: Stock trader John O'Hara tries on his New Year's 2020 party glasses at the New York Stock Exchange.  (AP Photo/Mark Lennihan)

Revellers around the globe are bidding farewell to a decade that will be remembered by many for the rise of social media, the Arab Spring, the #MeToo movement and President Trump. (AP Photo/Ng Han Guan)

Bangkok, Thailand:  Fireworks explode over the Chao Phraya River during New Year celebrations. (AP Photo/Sakchai Lalit)

Beijing, China: People celebrate the arrival of the year 2020 at a New Year's Eve countdown near the 2022 Bejing Winter Olympic headquarters. (AP Photo/Ng Han Guan)

Karachi, Pakistan: People celebrate the new year in downtown. (AP Photo/Ikram Suri)

Moscow, Russia: Fireworks explode over the Kremlin during New Year's celebrations in Red Square with the Spasskaya Tower, left, in the background. Russians began the world's longest continuous New Year's Eve with fireworks and a message from President Vladimir Putin urging them to work together in the coming year. (AP Photo/Denis Tyrin)

Frankfurt, Germany: Fireworks light the sky during New Year celebration. (Andreas Arnold/dpa via AP)

Beirut, Lebanon: Thousands of anti-government protesters and citizens gather during the New Year's celebrations in Martyrs' Square. Protesters have been holding demonstrations since Oct. 17 demanding an end to widespread corruption and mismanagement by the political class that has ruled the country for three decades. (AP Photo/Bilal Hussein)

North Korea: Fireworks explode during a New Year celebration at the Kim Il Sung Square in Pyongyang. (AP Photo/Jon Chol Jin)

Paris, France: People gather to attend the fireworks over the Arc de Triomphe as they celebrate the New Year on the Champs Elysees. (AP Photo/Christophe Ena)

Paris, France: Revellers photograph fireworks over the Arc de Triomphe as they celebrate the New Year on the Champs Elysees. (AP Photo/Christophe Ena)

London, England: Fireworks explode over the London Eye Ferris Wheel by the River Thames to mark the start of the new year. (AP Photo/Matt Dunham)

New York: Revelers wait for midnight during the New Year's Eve celebration in Times Square, as seen from above from the New York Marriott Marquis Hotel. (AP Photo/Frank Franklin II)

Istambul, Turkey: Fireworks explode over the Ottoman-era Mecidiye mosque in Ortakoy Square and the July 15th Martyrs Bridge, formerly known as the Bosporus Bridge, over the Bosporus Strait that separates Europe and Asia. (AP Photo/Emrah Gurel)

Cairo, Egypt: People record fireworks on mobile phones during a New Year celebration at the Waterway. (REUTERS/Amr Abdallah Dalsh)

Ahmedabad, India: Students cheer as they release balloons during celebrations to welcome the New Year. (REUTERS/Amit Dave)