The Equinox and Ancient Civilizations (Full Episode) | DOCUMENTARY SPECIAL | National Geographic

Welcome the spring equinox with National Geographic. Learn about the many ancient civilizations that shared an incredible knowledge of astronomy, especially about the sun. Worldwide, the iconic monuments these ancient architects built years ago, like Cambodia’s Angkor Wat temple, India’s Sree Padmanabhaswamy Temple, and more align on the same day, producing magical effects