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

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

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