People watch the sunrise of the spring equinox at the Sun pyramid of Teotihuacan (L), as the moon pyramid...
People watch the sunrise of the spring equinox at the Sun pyramid of Teotihuacan (L), as the moon pyramid is seen (R), outside Mexico City, March 21, 2007. Hundreds of Mexicans and tourists gather at Teotihuacan every year to welcome spring equinox at the Pyramid of the Sun REUTERS/Henry Romero (MEXICO)
