Pakistani men and boys cool off in a swimming pool on a hot summer day in Lahore on July 5, 2015. More than 1,200 people have died as a result of days of scorching temperatures in southern Pakistan, with the sprawling metropolis Karachi the worst-affected city. Power cuts have contributed to the suffering, preventing fans and air-conditioners working and hampering water pumps. AFP PHOTO / Arif ALI        (Photo credit should read Arif Ali/AFP/Getty Images)