The Indus Valley mastered city planning, zoning, and infrastructure in ways modern architecture still ignores. The Indus Valley Civilization designed cities with precise grids, zoning, sanitation, and infrastructure that still outperform many modern urban plans. Homes, drainage, water access, and waste systems were integrated into a single functional design — without blueprints, software, or centralized rulers. Explaining how they achieved this challenges modern assumptions about progress, exper