A local man hoses down fire retardant from a vehicle during a bushfire in Werombi, 50km south west of Sydney, Australia. EPA
Fire trucks are seen during a bushfire in Werombi, 50km southwest of Sydney, Australia. Reuters
A handout photo made available by NASA Earth Observatory of a satellite image showing fires burning near the coast of New South Wales, near Canberra and areas north to the border with Queensland, Australia. EPA
People climb the Sydney Harbour Bridge during a 'Bridge Climb' guided tour in Sydney, Australia. Most of NSW remains under severe or very high fire danger warnings as more than 50 fires continue to burn across the state. Getty Images
A long exposure photograph shows the Three Sisters rock formation as flames from the Kowmung River fire and the Green Wattle Creek fire are visible from Echo Point lookout in Katoomba, New South Wales, Australia. EPA
A firefighter from the Rural Fire Service douses a burnt out tree with water near Oakdale, southwest of Sydney, Australia. AP Photo
The sun sets behind St Mary's Cathedral in Sydney on December 6, 2019 in Sydney, Australia. Getty Images
The Three Sisters rock formation is visible as people watch smoke from the Green Wattle Creek fire from Echo Point lookout in Katoomba, New South Wales, Australia. EPA
People watch as smoke from the Green Wattle Creek fire is seen from Echo Point lookout in Katoomba, as bushfires continue to blaze in New South Wales, Australia. Reuters
Firefighters from the Rural Fire Service cut up a tree that fell across the road near Oakdale, southwest of Sydney, Australia. AP Photo
A local man hoses down fire retardant from a vehicle during a bushfire in Werombi, 50km south west of Sydney, Australia. EPA
Fire trucks are seen during a bushfire in Werombi, 50km southwest of Sydney, Australia. Reuters
A handout photo made available by NASA Earth Observatory of a satellite image showing fires burning near the coast of New South Wales, near Canberra and areas north to the border with Queensland, Australia. EPA
People climb the Sydney Harbour Bridge during a 'Bridge Climb' guided tour in Sydney, Australia. Most of NSW remains under severe or very high fire danger warnings as more than 50 fires continue to burn across the state. Getty Images
A long exposure photograph shows the Three Sisters rock formation as flames from the Kowmung River fire and the Green Wattle Creek fire are visible from Echo Point lookout in Katoomba, New South Wales, Australia. EPA
A firefighter from the Rural Fire Service douses a burnt out tree with water near Oakdale, southwest of Sydney, Australia. AP Photo
The sun sets behind St Mary's Cathedral in Sydney on December 6, 2019 in Sydney, Australia. Getty Images
The Three Sisters rock formation is visible as people watch smoke from the Green Wattle Creek fire from Echo Point lookout in Katoomba, New South Wales, Australia. EPA
People watch as smoke from the Green Wattle Creek fire is seen from Echo Point lookout in Katoomba, as bushfires continue to blaze in New South Wales, Australia. Reuters
Firefighters from the Rural Fire Service cut up a tree that fell across the road near Oakdale, southwest of Sydney, Australia. AP Photo
A local man hoses down fire retardant from a vehicle during a bushfire in Werombi, 50km south west of Sydney, Australia. EPA
'Mega fire' in Australia could take weeks to put out
Wildfires have killed at least four people and destroyed more than 680 homes across eastern Australia this season
