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

People wait in line outside a coronavirus disease (COVID-19) vaccination centre at Sydney Olympic Park in Sydney, Australia, June 23, 2021. REUTERS/Jane Wardell

A sign at Central Station notes the implementation of new public health regulations from the state of New South Wales, as the city grapples with an outbreak of the coronavirus disease (COVID-19) in Sydney, Australia, June 23, 2021. REUTERS/Loren Elliott

Commuters wear protective face masks on public transit at Central Station following the implementation of new public health regulations from the state of New South Wales, as the city grapples with an outbreak of the coronavirus disease (COVID-19) in Sydney, Australia, June 23, 2021. REUTERS/Loren Elliott

Commuters wear protective face masks as they enter Central Station following the implementation of new public health regulations from the state of New South Wales, as the city grapples with an outbreak of the coronavirus disease (COVID-19) in Sydney, Australia, June 23, 2021. REUTERS/Loren Elliott

Commuters wear protective face masks on a train platform at Central Station following the implementation of new public health regulations from the state of New South Wales, as the city grapples with an outbreak of the coronavirus disease (COVID-19) in Sydney, Australia, June 23, 2021. REUTERS/Loren Elliott

A transit worker and commuters wear protective face masks on a train platform at Central Station following the implementation of new public health regulations from the state of New South Wales, as the city grapples with an outbreak of the coronavirus disease (COVID-19) in Sydney, Australia, June 23, 2021. REUTERS/Loren Elliott

Commuters wear protective face masks on a train platform at Central Station following the implementation of new public health regulations from the state of New South Wales, as the city grapples with an outbreak of the coronavirus disease (COVID-19) in Sydney, Australia, June 23, 2021. REUTERS/Loren Elliott

A sign at Central Station notes the implementation of new public health regulations from the state of New South Wales, as the city grapples with an outbreak of the coronavirus disease (COVID-19) in Sydney, Australia, June 23, 2021. REUTERS/Loren Elliott

People wait in line outside a coronavirus disease (COVID-19) testing clinic as the city grapples with an outbreak of new cases in Sydney, Australia, June 23, 2021. REUTERS/Loren Elliott

People wait in line outside a coronavirus disease (COVID-19) testing clinic as the city grapples with an outbreak of new cases in Sydney, Australia, June 23, 2021. REUTERS/Loren Elliott

A derelict home, which sold for A$1.6 million, is seen in Sydney's northwest in Australia June 23, 2021. REUTERS/Swati Pandey

A derelict home, which sold for A$1.6 million, is seen in Sydney's northwest in Australia June 23, 2021. REUTERS/Swati Pandey

A man walks past a derelict home, which sold for A$1.6 million, in Sydney's northwest in Australia June 23, 2021. REUTERS/Swati Pandey

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

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

Ferries pass in front of the Anzac Bridge 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

People at Circular Quay sit at socially distanced tables 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

Ferries pass the Sydney Opera House as they cross Sydney Harbour in Sydney, Australia, June 22, 2021. REUTERS/Loren Elliott

Ferry passengers wearing protective face masks practice social distancing 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

Depuis des années, l'Australie se bat pour maintenir la Grande Barrière hors de la liste "en danger", une étape qui pourrait potentiellement conduire à sa radiation comme site classé au patrimoine mondial de l’Unesco.

Map locating the Great Barrier Reef in Australia.

Members of a winter swimming club prepare to enter the water at a coastal bay to race in stormy conditions at the Clovelly Surf Life Saving Club in Sydney, Australia, June 20, 2021. REUTERS/Loren Elliott

Members of a winter swimming club approach the water at a coastal bay to race in stormy conditions at the Clovelly Surf Life Saving Club in Sydney, Australia, June 20, 2021. REUTERS/Loren Elliott

Members of a winter swimming club face stormy conditions to compete in a race across the bay at the Clovelly Surf Life Saving Club in Sydney, Australia, June 20, 2021. REUTERS/Loren Elliott

Members of a winter swimming club get out of the water at a coastal bay after racing in stormy conditions at the Clovelly Surf Life Saving Club in Sydney, Australia, June 20, 2021. REUTERS/Loren Elliott

Members of a winter swimming club face stormy conditions to compete in a race across the bay at the Clovelly Surf Life Saving Club in Sydney, Australia, June 20, 2021. REUTERS/Loren Elliott

Members of a winter swimming club face stormy conditions to compete in a race across the bay at the Clovelly Surf Life Saving Club in Sydney, Australia, June 20, 2021. REUTERS/Loren Elliott

Members of a winter swimming club prepare to enter the water at a coastal bay to race in stormy conditions at the Clovelly Surf Life Saving Club in Sydney, Australia, June 20, 2021. REUTERS/Loren Elliott

A member of a winter swimming club competes in a race across a coastal bay during stormy conditions at the Clovelly Surf Life Saving Club in Sydney, Australia, June 20, 2021. REUTERS/Loren Elliott

Vehicles wait in line at the Bondi Beach drive-through coronavirus disease (COVID-19) testing centre in the wake of new positive cases in Sydney, Australia, June 17, 2021. REUTERS/Loren Elliott

Medical workers administer tests at the Bondi Beach drive-through coronavirus disease (COVID-19) testing centre in the wake of new positive cases in Sydney, Australia, June 17, 2021. REUTERS/Loren Elliott

A medical worker prepares to administer a test at the Bondi Beach drive-through coronavirus disease (COVID-19) testing centre in the wake of new positive cases in Sydney, Australia, June 17, 2021. REUTERS/Loren Elliott

Medical workers administer tests at the Bondi Beach drive-through coronavirus disease (COVID-19) testing centre in the wake of new positive cases in Sydney, Australia, June 17, 2021. REUTERS/Loren Elliott

Medical workers administer tests at the Bondi Beach drive-through coronavirus disease (COVID-19) testing centre in the wake of new positive cases in Sydney, Australia, June 17, 2021. REUTERS/Loren Elliott

A medical worker prepares a member of the public for a test at the Bondi Beach drive-through coronavirus disease (COVID-19) testing centre in the wake of new positive cases in Sydney, Australia, June 17, 2021. REUTERS/Loren Elliott

A medical worker administers a test at the Bondi Beach drive-through coronavirus disease (COVID-19) testing centre in the wake of new positive cases in Sydney, Australia, June 17, 2021. REUTERS/Loren Elliott

Illuminated offices and residences are seen at dusk in the city centre of Sydney, Australia, June 16, 2021. REUTERS/Loren Elliott

A general view of the Kings Park townhouse complex locked down in response to an outbreak of the coronavirus disease (COVID-19), in Melbourne, Australia, June 16, 2021. REUTERS/Sandra Sanders

A healthcare worker walks down stairs at the Kings Park townhouse complex locked down in response to an outbreak of the coronavirus disease (COVID-19), in Melbourne, Australia, June 16, 2021. REUTERS/Sandra Sanders

A woman scans a QR check-in code at a coronavirus disease (COVID-19) testing centre behind the Kings Park townhouse complex, locked down in response to an outbreak, in Melbourne, Australia, June 16, 2021. REUTERS/Sandra Sanders

Healthcare workers administer coronavirus disease (COVID-19) tests behind the Kings Park townhouse complex, locked down in response to an outbreak, in Melbourne, Australia, June 16, 2021. REUTERS/Sandra Sanders

A resident gives a thumbs up to healthcare workers at the Kings Park townhouse complex locked down in response to an outbreak of the coronavirus disease (COVID-19), in Melbourne, Australia, June 16, 2021. REUTERS/Sandra Sanders

A resident stands on a balcony of the Kings Park townhouse complex above response personnel working in a tent, as it is locked down in response to an outbreak of the coronavirus disease (COVID-19), in Melbourne, Australia, June 16, 2021. REUTERS/Sandra Sanders

People wait in line to receive a coronavirus disease (COVID-19) test behind the Kings Park townhouse complex, locked down in response to an outbreak, in Melbourne, Australia, June 16, 2021. REUTERS/Sandra Sanders

Healthcare workers are seen in a tent behind the Kings Park townhouse complex locked down in response to an outbreak of the coronavirus disease (COVID-19), in Melbourne, Australia, June 16, 2021. REUTERS/Sandra Sanders

Healthcare workers are seen in a tent behind the Kings Park townhouse complex locked down in response to an outbreak of the coronavirus disease (COVID-19), in Melbourne, Australia, June 16, 2021. REUTERS/Sandra Sanders

Healthcare workers meet in a tent in front of the Kings Park townhouse complex locked down in response to an outbreak of the coronavirus disease (COVID-19), in Melbourne, Australia, June 16, 2021. REUTERS/Sandra Sanders

Shoppers wearing protective face masks line up to scan a QR code before entering a store on the first day of eased coronavirus disease (COVID-19) restrictions for the state of Victoria following an extended lockdown in Melbourne, Australia, June 11, 2021. REUTERS/Sandra Sanders

A shopper wearing a protective face mask walks down Bourke Street Mall on the first day of eased coronavirus disease (COVID-19) restrictions for the state of Victoria following an extended lockdown in Melbourne, Australia, June 11, 2021. REUTERS/Sandra Sanders

A shopper wearing a protective face mask scans a QR code before entering a store on the first day of eased coronavirus disease (COVID-19) restrictions for the state of Victoria following an extended lockdown in Melbourne, Australia, June 11, 2021. REUTERS/Sandra Sanders

A man wearing a protective face mask stands at the entrance of a cafe on the first day of eased coronavirus disease (COVID-19) restrictions for the state of Victoria following an extended lockdown in Melbourne, Australia, June 11, 2021. REUTERS/Sandra Sanders

Diners wear protective face masks at a cafe on the first day of eased coronavirus disease (COVID-19) restrictions for the state of Victoria following an extended lockdown in Melbourne, Australia, June 11, 2021. REUTERS/Sandra Sanders

A ferry passes through Sydney Harbour as thick fog obscures the city skyline in Sydney, Australia, June 11, 2021. REUTERS/Stephen Coates TPX IMAGES OF THE DAY