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Celebrate the first day of Spring at Kukulkan Pyramid in Mexico

Jacinto Kanek / EPA

Local and foreign visitors gather before the Kukulkan Pyramid during the celebration of the Spring Equinox in Chichen Itza, Mexico, March, 20 2012.

EPA reports: Hundreds of people gather to observe the descent to earth of a serpent shaped with the shadow of one edge of the pyramid, during the beginning of the Spring equinox, that in ancient times is said to have indicated to Mayans the timing of the sowing season.