Sydney Harbour Bridge is illuminated during the New Year's Eve celebrations, in Sydney, Australia, December 31, 2022. REUTERS/Jaimi Joy 

People sit near the Sydney Harbour Bridge ahead of the New Year's Eve celebrations in Sydney, Australia, December 31, 2022. REUTERS/Jaimi Joy 

The Australian flag and the Aboriginal flag are flown at half-mast on the Sydney Harbour Bridge following the death of Britain's Queen Elizabeth, in Sydney, Australia, September 12, 2022. REUTERS/Loren Elliott 

The Australian flag and the Aboriginal flag are flown at half-mast on the Sydney Harbour Bridge following the death of Britain's Queen Elizabeth, in Sydney, Australia, September 12, 2022. REUTERS/Loren Elliott 

A projection of the FC Barcelona logo is seen on the Sydney Harbour Bridge as the squad visits Australia for a friendly soccer match against the A-League All-Stars, in Sydney, Australia, May 24, 2022. REUTERS/Loren Elliott 

(From L) Ansu Fati, Dani Alves, Ronald Araujo, Gavi and fellow FC Barcelona players stand in front of the Sydney Harbour Bridge, during their trip to Australia for a friendly soccer match against the A-League All-Stars, in Sydney, Australia, May 24, 2022. REUTERS/Loren Elliott 

Members of the FC Barcelona squad joke around while posing for a photo in front of the Sydney Harbour Bridge, during their trip to Australia for a friendly soccer match against the A-League All-Stars, in Sydney, Australia, May 24, 2022. REUTERS/Loren Elliott 

Members of the FC Barcelona squad pose for a photo in front of the Sydney Harbour Bridge, during their trip to Australia for a friendly soccer match against the A-League All-Stars, in Sydney, Australia, May 24, 2022. REUTERS/Loren Elliott 

Student climate activists protest underneath the Sydney Harbour Bridge, in Sydney, Australia, March 25, 2022. REUTERS/Cordelia Hsu 

Student climate activists march from Kirribilli House to the Sydney Harbour Bridge, in Sydney, Australia, March 25, 2022. REUTERS/Cordelia Hsu 

Student climate activists protest from Kirribilli House to the Sydney Harbour Bridge, in Sydney, Australia, March 25, 2022. REUTERS/James Redmayne 

Student climate activists protest from Kirribilli House to the Sydney Harbour Bridge, in Sydney, Australia, March 25, 2022. REUTERS/James Redmayne 

A sightseer poses for a selfie in front of the Sydney Harbour Bridge in the wake of coronavirus disease (COVID-19) regulations easing, following months of lockdown orders to curb an outbreak, in Sydney, Australia, October 19, 2021. REUTERS/Loren Elliott 

A yellowtail kingfish, caught by a nearby fisherman, hangs from a tree under the Sydney Harbour Bridge during a lockdown to curb the spread of coronavirus disease (COVID-19) outbreak in Sydney, Australia, October 6, 2021. REUTERS/Loren Elliott 

People in protective face masks walk past the Sydney Harbour Bridge during a lockdown to curb the spread of a coronavirus disease (COVID-19) outbreak in Sydney, Australia, September 3, 2021. REUTERS/Loren Elliott 

People in protective face masks walk under the Sydney Harbour Bridge during a lockdown to curb the spread of a coronavirus disease (COVID-19) outbreak in Sydney, Australia, September 3, 2021. REUTERS/Loren Elliott 

Harbour waterfront seating is devoid of people at sunset in front of the Sydney Harbour Bridge during a lockdown to curb the spread of a coronavirus disease (COVID-19) outbreak in Sydney, Australia, July 15, 2021. REUTERS/Loren Elliott 

A ferry passes under the Sydney Harbour Bridge, seen shrouded in morning fog, during a lockdown to curb the spread of a coronavirus disease (COVID-19) outbreak in Sydney, Australia, July 1, 2021. REUTERS/Loren Elliott 

A man wearing a protective face mask takes in the waterfront view under the Sydney Harbour Bridge, seen shrouded in morning fog, during a lockdown to curb the spread of a coronavirus disease (COVID-19) outbreak in Sydney, Australia, July 1, 2021. REUTERS/Loren Elliott 

A woman jogs along the waterfront past the Sydney Harbour Bridge, seen shrouded in fog, during a lockdown to curb the spread of a coronavirus disease (COVID-19) outbreak in Sydney, Australia, June 30, 2021. REUTERS/Loren Elliott 

A man wearing a protective face mask takes in the waterfront view underneath the Sydney Harbour Bridge, seen shrouded in fog, during a lockdown to curb the spread of a coronavirus disease (COVID-19) outbreak in Sydney, Australia, June 30, 2021. REUTERS/Loren Elliott TPX IMAGES OF THE DAY 

A man takes in the waterfront view underneath the Sydney Harbour Bridge, seen shrouded in fog, during a lockdown to curb the spread of a coronavirus disease (COVID-19) outbreak in Sydney, Australia, June 30, 2021. REUTERS/Loren Elliott 

A fisherman leaves his spot underneath the Sydney Harbour Bridge, seen shrouded in fog, during a lockdown to curb the spread of a coronavirus disease (COVID-19) outbreak in Sydney, Australia, June 30, 2021. REUTERS/Loren Elliott 

The 'strawberry moon' is seen over Sydney Harbour Bridge in Sydney, Australia, June 25, 2021. REUTERS/Stephen Coates 

People wave to a passing ferry while climbing the Sydney Harbour Bridge on a guided excursion in Sydney, Australia, June 22, 2021. Picture taken June 22, 2021. REUTERS/Loren Elliott 

People climb the Sydney Harbour Bridge on a guided excursion in Sydney, Australia, June 22, 2021. Picture taken June 22, 2021. REUTERS/Loren Elliott 

People pose for a photo while climbing the Sydney Harbour Bridge on a guided excursion in Sydney, Australia, June 22, 2021. REUTERS/Loren Elliott 

A guide leads a group on an excursion climbing the Sydney Harbour Bridge in Sydney, Australia, June 22, 2021. REUTERS/Loren Elliott 

People climb the Sydney Harbour Bridge above the Sydney Opera House on a guided excursion in Sydney, Australia, June 22, 2021. REUTERS/Loren Elliott 

People climb the Sydney Harbour Bridge above the Sydney Opera House on a guided excursion as a rainbow appears behind them in Sydney, Australia, June 22, 2021. REUTERS/Loren Elliott 

A man wearing a protective face mask waits on a Circular Quay train platform in front of the Sydney Harbour Bridge as the state of New South Wales experiences an outbreak of the coronavirus disease (COVID-19) in Sydney, Australia, June 22, 2021. REUTERS/Loren Elliott 

The Sydney Harbour Bridge is seen through a train window at Circular Quay in Sydney, Australia, June 22, 2021. REUTERS/Loren Elliott 

A runner exercises in wet conditions under the Sydney Harbour Bridge as eastern Australia experiences a winter cold front, in Sydney, Australia, June 10, 2021. REUTERS/Loren Elliott 

A runner exercises in wet conditions under the Sydney Harbour Bridge as eastern Australia experiences a winter cold front, in Sydney, Australia, June 10, 2021. REUTERS/Loren Elliott 

People climb the Sydney Harbour Bridge on a guided tour as eastern Australia experiences a winter cold front, in Sydney, Australia, June 10, 2021. REUTERS/Loren Elliott TPX IMAGES OF THE DAY 

People climb the Sydney Harbour Bridge on a guided tour as eastern Australia experiences a winter cold front, in Sydney, Australia, June 10, 2021. REUTERS/Loren Elliott 

A jogger passes the Sydney Harbour Bridge while running along the waterfront at Circular Quay in Sydney, Australia, May 25, 2021. REUTERS/Loren Elliott 

The Australian flag is seen at half-mast on the Sydney Harbour Bridge, honouring Prince Philip, Duke of Edinburgh, following his death, in Sydney, Australia, April 10, 2021. REUTERS/Jaimi Joy 

Kayakers on the 'Clean Up Kayak' tour paddle near the Sydney Harbour Bridge while to helping collect rubbish and plastic from the water in Sydney, Australia, February 10, 2021. Picture taken February 10, 2021. REUTERS/Jill Gralow 

Fireworks explode over the boats and Sydney Harbour Bridge during downsized New Year's Eve celebrations due to an outbreak of the coronavirus disease (COVID-19) in Sydney, Australia, January 1, 2021. REUTERS/Loren Elliott 

Fireworks explode over the boats and Sydney Harbour Bridge during downsized New Year's Eve celebrations due to an outbreak of the coronavirus disease (COVID-19) in Sydney, Australia, January 1, 2021. REUTERS/Loren Elliott 

Fireworks explode over the Sydney Opera House and Sydney Harbour Bridge during downsized New Year's Eve celebrations due to an outbreak of the coronavirus disease (COVID-19) in Sydney, Australia, January 1, 2021. REUTERS/Loren Elliott 

Fireworks explode over the Sydney Opera House and Sydney Harbour Bridge during downsized New Year's Eve celebrations due to an outbreak of the coronavirus disease (COVID-19) in Sydney, Australia, January 1, 2021. REUTERS/Loren Elliott 

Fireworks explode over the Sydney Opera House and Sydney Harbour Bridge during downsized New Year's Eve celebrations due to an outbreak of the coronavirus disease (COVID-19) in Sydney, Australia, January 1, 2021. REUTERS/Loren Elliott 

People stand on the steps of the Sydney Opera House in front of the Sydney Harbour Bridge in Sydney, Australia, November 11, 2020. REUTERS/Loren Elliott 

Diners enjoy the waterfront by the Sydney Harbour Bridge and Sydney Opera House in Sydney, Australia, November 11, 2020. REUTERS/Loren Elliott 

The Sydney Harbour Bridge is seen through a train window in Sydney, Australia, November 11, 2020. REUTERS/Loren Elliott 

The Sydney Harbour Bridge is seen in Sydney, Australia, November 11, 2020. REUTERS/Loren Elliott 

People stand at a train platform near the Sydney Harbour Bridge in Sydney, Australia, November 11, 2020. REUTERS/Loren Elliott 

Commuters wait on a train platform in front of the Sydney Harbour Bridge at Circular Quay as the state of New South Wales continues to report relatively low numbers for new daily cases of the coronavirus disease (COVID-19), in Sydney, Australia, September 7, 2020. REUTERS/Loren Elliott 

An adult and a child walk at sunset in front of the Sydney Harbour Bridge as the state of New South Wales continues to report relatively low numbers for new daily cases of the coronavirus disease (COVID-19), in Sydney, Australia, September 7, 2020. REUTERS/Loren Elliott 

A person walks along the water in front of the Sydney Harbour Bridge as the state of New South Wales continues to report relatively low numbers for new daily cases of the coronavirus disease (COVID-19), in Sydney, Australia, September 7, 2020. REUTERS/Loren Elliott 

People are seen in front of the Sydney Opera House and Sydney Harbour Bridge as the state of New South Wales continues to report relatively low numbers for new daily cases of the coronavirus disease (COVID-19), in Sydney, Australia, September 7, 2020. REUTERS/Loren Elliott 

People walk in front of the Sydney Harbour Bridge as the state of New South Wales continues to report low numbers for new daily cases of the coronavirus disease (COVID-19) in Sydney, Australia, August 19, 2020. REUTERS/Loren Elliott 

The Sydney Opera House and Sydney Harbour Bridge are seen amidst the easing of restrictions implemented to curb the spread of the coronavirus disease (COVID-19) in Sydney, Australia June 29, 2020. REUTERS/Loren Elliott 

A Qantas plane flies over the Sydney Opera House and Sydney Harbour Bridge amidst the easing of the restrictions implemented to curb the spread of the coronavirus disease (COVID-19) in Sydney, Australia June 29, 2020. REUTERS/Loren Elliott 

People sit on a bench overlooking the Sydney Opera House and Sydney Harbour Bridge amidst the easing of the restrictions implemented to curb the spread of the coronavirus disease (COVID-19) in Sydney, Australia June 29, 2020. REUTERS/Loren Elliott 

People are seen walking in front of the Sydney Opera House and Sydney Harbour Bridge following the easing of restrictions implemented to curb the spread of the coronavirus disease (COVID-19) in Sydney, Australia, June 23, 2020. REUTERS/Loren Elliott 

People are seen walking in front of the Sydney Opera House and Sydney Harbour Bridge following the easing of restrictions implemented to curb the spread of the coronavirus disease (COVID-19) in Sydney, Australia, June 23, 2020. REUTERS/Loren Elliott 

People take photos in front of the Sydney Harbour Bridge following the easing of restrictions implemented to curb the spread of the coronavirus disease (COVID-19) in Sydney, Australia, June 23, 2020. REUTERS/Loren Elliott