Early fireworks -- displayed a few hours before midnight for families with children -- light up the sky next to Melbourne Cricket Ground (R) ahead of the main show at midnight, in Melbourne on December 31, 2017. (AFP)
Fireworks explode over Sydney Harbour during New Year's Eve celebrations in Sydney, Sunday, Dec. 31, 2017 (AP)
Fireworks explode over Sydney Harbour during New Year's Eve celebrations in Sydney, Australia, Sunday, Dec. 31, 2017. (AP)
A woman prays in front of lanterns to celebrate the New Year at Jogyesa Buddhist temple in Seoul, South Korea, Sunday, Dec. 31, 2017. (AP)
Balinese children take part in a cultural parade during a festival to mark the New Year in Denpasar on Bali island on December 31, 2017 (AFP)
Balinese young people prepare to take part in a cultural parade at a festival to mark the New Year in Denpasar on Bali island on December 31, 2017. (AFP)
Indian students attend a function to welcome the year 2018 at a school in Ahmadabad, India, Saturday, Dec. 30, 2017. (AP)
A giant lantern in the shape of a dog is seen ahead of New Year celebrations at Xinghai Square in Dalian, Liaoning province, China December 29 ,2017. Picture taken December 29, 2017. (Reuters)
A woman sells "Happy New Year 2018" headgear at Martin Place in Sydney on December 30, 2017. (AFP)
Fireworks light the sky prior to the friendly football match between Egypt’s Al-Ahly and Spain’s Atletico Madrid at Borg al-Arab Stadium, near the Egyptian city of Alexandria, on December 30, 2017.
A gunman opened fire on a church south of Cairo the previous day, killing at least nine people in the latest apparent jihadist attack on Egypt's Christian minority. (AFP)