Ключевые слова: america, american, ancient, archaeological, archaeology, archeology, architecture, castillo, chichen itza, chichenitza, city, civilization, culture, equinox, feathered, indian, kukulkan, maya, mayan, mexico, monumental, old, pre columbian, pyramid, quetzalcoatl, religion, religious, remains, ruin, ruins, sacred, serpent, site, spring, steps, stone, summer, temple, tourism, travel, wonder, world, worship, yucatan,