Seven RiversRivers are the great natural arteries that run through our lives. We have navigated them, dammed them, and worshipped at them. From the ancient ecosystems of Egypt to the sinking cities of Shanghai and London, what we do with our rivers tells us about who has power and what we value. Now, when environmental regulations are at their strongest and a passion for wild swimming is flourishing, when the Amazon is on fire and some of our major river systems