geography answers


Where is the Only Area in Europe Where no Borders Exist?

This satellite image of Lake Constance was acquired on May 10, 2014 in ‘interferometric wide swath mode’ and in dual polarization. The radar instrument gathers information in either horizontal or vertical radar pulses, and colors were assigned to the different types. In this image, buildings generally appear pink, while vegetation is green. Areas with lowest reflectivity in all polarisations appear very dark, like the water. Source: ESA.

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.

Where is the World’s Largest Salt Flat?

Landsat image of Salar de Uyuni. Source: NASA.

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 […]