Palm Jumeirah, Dubai’s iconic man-made islands, turns 20

From a vantage point more than 50 stories high, Ali Mansour looks down on the islands he helped build nearly two decades ago. “It was a great challenge,” he says. “A (once-in-a) lifetime experience.”From a vantage point more than 50 stories high, Ali Mansour looks down on the islands he helped build nearly two decades ago. “It was a great challenge,” he says. “A (once-in-a) lifetime experience.”