Ancient monuments, built in accordance with the movement of the heavenly call History, written in stone, glorifying rulers from other worlds. Calendar, accurately predicting the displacement of the axis of the Earth every 26 thousand years. Are created the Maya in Central America, one of the most developed civilizations of the ancient world? Or their knowledge have another source outside of our world? They knew no metal, no electricity, but had developed mythology, language and religious culture. They knew astronomy better than any other contemporary civilization.