The ball is coated with a computerised system of LED lights.
Iraqis celebrated New Year's Eve with fireworks, songs, and dances in the celebration square in East Mosul as well as Khan Gumruk bazaar in West Mosul.
There were believed to be around 150 workers at the factory in northwestern Turkey at the time of the explosion.
Crowds cheered as the sky over Auckland was lit up by fireworks to herald the arrival of 2020.
Fireworks might be pretty but they can have a unexpected environmental impact.
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.