firefighters battle a wildfire. firefighters spray water to wildfire. australia bushfires, the fire is fueled by wind and heat

attack australia battle blasting blaze burn bushfires damage danger dangerous destruction disaster ecology emergency environment environmental equipment fighter fighting fire firefighter firefighters fireman flame forest forestry fueled grass heat hot inferno man natural nature outdoors person protection protective red rescue silhouette smoke smoky spray summer sun temperature tragedy tree water wild wilderness wildfire wind wood woods