Hear what it's like to live on one of the windswept Orkney Islands, off the northernmost tip of Scotland, where people have made a home since prehistoric times. Then learn how redesigned urban centers in Europe have had a positive impact on quality of life — and get ideas for making your own city a more enjoyable place to be outdoors. And consider some of the world's most fascinating nomadic societies, from their often underappreciated role in history to their struggles in the modern world.