See some of the celebrations as the world says goodbye to 2021 and hello to 2022.

Credit: DEAN LEWINS/EPA-EFE/Shutterstock/DEAN LEWINS/EPA-EFE/Shutterstock

Mandatory Credit: Photo by DEAN LEWINS/EPA-EFE/Shutterstock (12680659a).The midnight fireworks are seen over the Sydney Opera House and Sydney Harbour Bridge during New Year's Eve celebrations in Sydney, Australia, 01 January 2022..New Year's Eve celebrations in Sydney, Australia - 01 Jan 2022

Credit: AFP via Getty Images/DAVID GRAY

New Year's Eve fireworks light up the sky over Sydney's iconic Harbour Bridge and Opera House (L) during the fireworks show on January 1, 2022. (Photo by DAVID GRAY / AFP) (Photo by DAVID GRAY/AFP via Getty Images)

Credit: DEAN LEWINS/EPA-EFE/Shutterstock/DEAN LEWINS/EPA-EFE/Shutterstock

Mandatory Credit: Photo by DEAN LEWINS/EPA-EFE/Shutterstock (12680659h).The midnight fireworks are seen over the Sydney Opera House and Sydney Harbour Bridge during New Year's Eve celebrations in Sydney, Australia, 01 January 2022..New Year's Eve celebrations in Sydney, Australia - 01 Jan 2022

Credit: Bloomberg/Brent Lewin

Fireworks by the Sydney Opera House and Sydney Harbour Bridge during New Year celebrations in Sydney, Australia, early on Saturday, Jan. 1, 2022. Australia's most populous state reported a 73% surge in new Covid-19 cases on Friday, an unwelcome spike that is casting a cloud on New Year festivities as authorities urge residents to still party on. Photographer: Brent Lewin/Bloomberg

Credit: DEAN LEWINS/EPA-EFE/Shutterstock/DEAN LEWINS/EPA-EFE/Shutterstock

Mandatory Credit: Photo by DEAN LEWINS/EPA-EFE/Shutterstock (12680659e).The midnight fireworks are seen over the Sydney Opera House and Sydney Harbour Bridge during New Year's Eve celebrations in Sydney, Australia, 01 January 2022..New Year's Eve celebrations in Sydney, Australia - 01 Jan 2022

Credit: Getty Images/Wendell Teodoro

SYDNEY, AUSTRALIA - JANUARY 01: Fireworks are seen over Sydney harbour during New Year's Eve celebrations on January 01, 2022 in Sydney, Australia. New Year's Eve celebrations continue to be somewhat different as some COVID-19 restrictions remain in place due to the ongoing coronavirus pandemic. (Photo by Wendell Teodoro/Getty Images)

Credit: Getty Images/Brook Mitchell

Fireworks light up the sky over Sydney Harbour as the clock strikes midnight on January 1, 2022 in Sydney, Australia. 

Credit: Bloomberg/Brent Lewin

Visitors gather opposite the Sydney Opera House and Sydney Harbour Bridge during New Year's Eve celebrations in Sydney, Australia, on Dec. 31, 2021. 

Credit: Getty Images/Brook Mitchell

Fireworks light up the sky over Sydney Harbour as the clock strikes midnight on January 1, 2022 in Sydney, Australia. 

Suffolk County District Attorney Ray Tierney sat down with NewsdayTV’s Ken Buffa to discuss the Gilgo case and the sentencing of Rex Heuermann. Credit: Newsday/Steve Pfost; News 12/ Pool. Photo Credit: Newsday/ James Carbone; Handout

'We had a very strong case' Suffolk County District Attorney Ray Tierney sat down with NewsdayTV's Ken Buffa to discuss the Gilgo case and the sentencing of Rex Heuermann.

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