Equinoxes, National Geographic

Tomorrow is the first day of fall the autumnal equinox. Just twice a year, day and night fall into perfect balance. Some claim that astronomical phenomenon, called equinox, inspires ancient structures to reveal hidden secrets Subscribe: About National Geographic: National Geographic is the world s premium destination for science, exploration, and adventure. Through their worldclass scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what s possible. Get More National Geographic: Official Site: Facebook: Twitter: Instagram: Equinoxes, National Geographic National Geographic