Ancient temple lights up jungle

Large Crowd at El Castillo During Equinox

Large Crowd at El Castillo During Equinox

ca. 1988, ChichÈn Itz·, Mexico — Crowds of people visit Chichen Itza during the autumnal and vernal equinoxes. They come to see the shadows cast by the sun upon the staircase of El Castillo, or Kukulcan, pyramid, visible only during the first day of spring and autumn. Mexico. — Image by © Richard A. Cooke/CORBIS