The magnificent, multi-layered city of Istanbul has seen its population multiply twelvefold in the past 60 years. This massive, ever-changing metropolis has all the challenges of rapid and uncontrolled urbanization. Yet the streets of this city are home to an estimated 15 million people who strive each day to make it more just, peaceful and liveable.The magnificent, multi-layered city of Istanbul has seen its population multiply twelvefold in the past 60 years. This massive, ever-changing metropolis has all the challenges of rapid and uncontrolled urbanization. Yet the streets of this city are home to an estimated 15 million people who strive each day to make it more just, peaceful and liveable.