Chaco Canyon, located in northwest New Mexico, is perhaps the only site in the world constructed in an elaborate pattern that mirrors the yearly...
Carl Sagan covers a wide range of scientific subjects, including the origin of life and a perspective of our place in the universe.
Бесплатан неограничен приступ, Потражите било шта без огласа, Милиони наслова и додају се сваки дан, Све платформе и потпуно оптимизоване, Било где и било када
