Ключевые слова: ancient, antique, antiquities, antropologia, antropology, archaeological, archaeology, blue, castillo, chichen, chichenitza, city, clouds, el, equinox, heritage, horizontal, inah, indian, itza, kukulcan, kukulkan, maya, mayan, mesoamerican, mexico, old, prehispanic, pyramid, ruin, ruinas, ruins, sacred, sacrifice, seven, site, sky, spring, stair, stairs, stock, stone, temple, unesco, wonders, world, yucatan, yucatec,