Between Two RiversThousands of years ago, in a part of the world we now call ancient Mesopotamia, people began writing things down for the very first time. What they left behind, in a vast region that once sat between the Tigris and Euphrates rivers, preserves leaps in human ingenuity, like the earliest depiction of a wheel and the first approximation of pi. But they also capture breathtakingly intimate, raw and relatable moments, like a dog's paw prints as it