Mayan Equinox Serpent at Chichen Itza, Mexico

the Equinox (March 20, 21 and September 21, 22) an amazing phenomenon - the Sun's rays project a diamond-back rattlesnake of light and shadow onto the ancient and mysterious Temple of Quetzalcoatl pyramid at Chichen Itza.

The earliest archaeological remains found at Chichen Itza date from the 1st century, the time when the three Magi followed the star to Bethlehem. Ancient people had keen understanding of astronomy. The architecture of Temple of Quetzalcoatl encodes precise information regarding the Mayan calendar, engineered to encompass an amazing 25,920-year cycle. The Maya were mathematical geniuses; they counted in base 20, calculating equations that would take up an entire page if written in modern numbers.