4,500 years ago in a lush, green valley in the Far East, an ancient civilization was in the midst of creation. The year was 2500 BC; the age of discovery, rulers, and conquest, and no one could have predicted what would become of the little town on the banks of the Indus River over the coming one thousand years. This little town would flourish and become a giant empire, the Indus Valley Civilization, or the Harrapan Civilization as it is sometimes referred to as, one of the greatest civilizations in the history of mankind. And yet in the short time we've excavated their ancient cities and studied their detailed artifacts, we've learned that they've been the founders of many of the world's concepts, such as democracy, and to many of the world's technologies, such as the standardized weight system.…