Picture gallery: From London, Dubai, Germany to North Korea, the world welcomed 2021 with fireworks

Fireworks and drones illuminate the night sky over London

St. Sofia Cathedral in Kyiv, Ukraine

New Year Celebrations in Sydney, Australia

Fireworks and drones illuminate the night sky over London

Fireworks explode in the sky next to Rome's Colosseum

Fireworks explode over the Kremlin and almost empty Red Square during New Year's celebrations near the Spasskaya Tower in Moscow, Russia

Musicians watch as fireworks explode over Berlin's landmark Brandenburg Gate during the New Year Celebrations in Berlin, Germany

Fireworks explode over a not-too-crowded square with a Christmas tree and and the main mosque during New Year's celebrations in Grozny, Russia

Light beams instead of traditional fireworks are seen around Warsaw's tallest building, The Palace of Culture and Science in downtown Warsaw, Poland

A view of the empty Madrid's Puerta del Sol before the New Year's celebrations in Madrid, Spain

Confetti flies after the Times Square New Year's Eve Ball drops in a nearly empty Times Square

Dubai celebrates the new year in India by reflecting their national flag on the Burj Khalifa, the world's tallest building, to mark New Year in Dubai, United Arab Emirates

Fireworks explode at the Burj Khalifa, the world's tallest building, to mark New Year in Dubai, United Arab Emirates

Happy New Year greetings shown on a giant screen in Beijing

Fireworks illuminate the night sky, marking the New Year, as crowds of people look on, at Kim Il Sung Square in Pyongyang, North Korea