More than a million people descended onto a hazy Sydney Harbour and surrounding areas to greet 2020 despite the ongoing wildfire crisis.
Crowds cheered as the sky over Auckland was lit up by fireworks to herald the arrival of 2020.
As 2020 arrives across the globe, watch the major cities bid farewell to 2019.
The celebrations have been cancelled in Canberra as temperatures reach 38C.
Fireworks depot safety called into question once again as the factory owner's wife and son are on casualties list
Fireworks might be pretty but they can have a unexpected environmental impact.
The Pyronale Fireworks World Championship got underway on Friday in Berlin at the city's Olympic Stadium.
The winning 10-minute performance was inspired by theatre, with elements of ballet and opera. With eight countries competing, Portugal and Italy came second and third.
The traditional fireworks display is organised to celebrate Bastille Day.
France rounded off Bastille Day with its traditional firework display at the Eiffel Tower on Sunday (July 14).
First fireworks ceremony since the 2016 deadly attack which killed 86 people watching a fireworks display on the beach.
New Year's Eve revellers were treated to a spectacular laser show in Mexico City instead of the traditional fireworks to cut down on air pollution.