This lake was fed by an ancient river and is surrounded by a rich record of stone tools from the African Middle Stone Age (made between about ... Today, Narabeb is a landscape dominated by long sand ...

The Lake Superior region of America ... A great number of ancient tools have been found, they all consist of hard stone, with single and double grooves for the reception of handles, like those ...

The ghostly skeletons of a partly built control tower and flight terminal are recognizably ... hectares of marsh on what was once massive Lake Texcoco before Spanish colonizers in the 1600s ...