Ключевые слова: america, ancient, ancient city, archaeological, archaeology, archeology, architecture, castillo, chichen, chichenitza, chichn, city, civilization, culture, el, el castillo pyramid, history, indian, itza, kukulkan, landmark, maya, mayan, mayan ruins, mexican, mexico, mexico pyramids, monument, old, pyramid, pyramids, religion, religious, ruin, ruins, seven wonders of the world, sky, stairs, stone, temple, tourism, travel, unesco, unesco world heritage, vacation, wonder, world, yucatan, yucatn, yucatn mexico,