A river starts in the upper course, usually an elevated section of land such as a mountain area. The reason why rivers start here is because mountains receive the highest amounts of rainfall.

Bringing back beavers will boost nature ... and can store water in the landscape during drought, as well as purifying polluted river systems, removing sediment and storing carbon.

Situated near the southern margin of the Red River Delta, the Trang An Landscape ... They illustrate the occupation of these mountains by seasonal hunter-gatherers and how they adapted to major ...

I’m starting from the beginning of the river which we call the source, here in the mountains. Rivers often start in upland areas like this, from lakes, marshes and glaciers or even springs that ...