Qanat are underground water channels developed during ancient times to carry water using gravity via a gentle downward slope.
Lake Constance’s shoreline touches three different countries: Germany to the north, Switzerland to the south and Austria at its eastern end. The water body itself contains no borders since there is no legally binding agreement between the three countries.
Measuring an area of 10,582 square kilometers (4,086 sq mi), the Salar de Uyuni in Bolivia, is the largest salt flat in the world. Salar de Uyuni lies at the southern end of the Altiplano which is a high plain of inland drainage in the central Andes. Salar comes from the Spanish word for salt and Uyuni originates from […]