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Dangling precariously from a helicopter before jumping to the ground, the policeman quickly pulled out his gun and squeezed the trigger without hesitation. Loud cracks echoed all around and the bullets hit the centers of 10 targets standing 10 meters away. As a volley of gunshots split the air, the crack shot didn't flinch, he just kept moving.

Deep sea oil and gas production has not been without its challenges or disasters. The Deepwater Horizon oil rig explosion in 2010 is perhaps the best known.

Danish prime minister and leader of Venstre, Danmarks Liberale Parti

DJI is catering to that market, "launching products that are in great demand for expeditions and for agriculture," he said, referring to products including drone-equipped cameras used in mining and inspection of buildings for damage.

David Holmes, director of the Monash Climate Change Communication Research Hub at Melbourne's Monash University, said the recent bushfires in Australia are "not just about cyclical drought, ...but about the fact that southern and inland areas of Australia are becoming much drier in a way that is overwhelming typical variability".