REUTERS
People watch as fireworks explode over Copacabana beach during New Year celebrations in Rio de Janeiro, Brazil, January 1, 2016.
Despite terror threats in capital cities across Europe, revellers came out in their thousands to watch Big Ben, Times Square, and other iconic sites illuminate beneath breathtaking pyrotechnics to celebrate the New Year.
We've gathered 13 of the most breathtaking images from last night's celebrations.