3300 BCE - 1300 BCE. The Indus Valley Civilization, located in modern-day Pakistan and northwest India, is known for its advanced urban planning, including grid-like streets and complex drainage systems. This civilization thrived on agriculture and trade, reaching its peak between 2500 BCE and 1900 BCE.The Indus Valley people had a strong connection to nature, and their mythology likely revolved around fertility and agricultural deities. Seals depicting animals like bulls, tigers, and elephants suggest a reverence for the natural world.