A society that rivaled modern engineering standards left behind only silent ruins and an unreadable script. We explore the massive gap between Mohenjo-daro's sophisticated infrastructure and its unexplained, catastrophic end.

This episode dives into the physical evidence found at the Indus Valley sites, from defensive walls built against rising rivers to the discovery of the site by the Archaeological Survey of India. We contrast the high-level social organization with the suddenness of the city's ruin, weighing environmental factors against more controversial claims.

• Unprecedented ancient infrastructure featuring precise 10-foot wide roads and advanced waterproofing.
• Strategic use of elevated storage for resource management and protection from natural disasters.
• The historical role of the British ASI in identifyi ...