This summer has seen soaring temperatures send records tumbling around the globe. But in some countries where BP operates, the challenges of extreme weather are ever present. BP Magazine reports on two locations where supplying energy to the world means working in brutal conditions – from the deserts of Oman, where summertime temperatures can reach 55°C (130°F), to the North Slope of Alaska, where the mercury can dip below -45°C (-50°F) in winter