A woman holds a miniature representation of a pyramid and closes her eyes as she soaks in the sun during spring equinox celebrations atop the Pyramid of the Sun, at the Teotihuacan archeological site,... more 
A woman holds a miniature representation of a pyramid and closes her eyes as she soaks in the sun during spring equinox celebrations atop the Pyramid of the Sun, at the Teotihuacan archeological site, in Mexico, Friday, March 21, 2014. Although the official vernal equinox occurred on Thursday, thousands of visitors were expected to climb the ancient pyramid on Friday to greet the sun and celebrate the beginning of spring. (AP Photo/Rebecca Blackwell) less 
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Associated Press | Photo By Rebecca Blackwell
Fri, Mar 21, 2014 2:18 PM EDT