Harappa: Unlocking the Secrets of an Ancient Civilization Harappa, one of the major cities of the Indus Valley Civilization, thrived over 4,000 years ago. The Harappa site reveals advanced urban planning, including grid-like streets and brick houses. It is known for its craftsmanship, trade networks, and undeciphered script. This ancient city remains a cornerstone of human history and archaeology. #Harappa #IndusValleyCivilization #AncientHistory #Archaeology