This River Flows for Only a Few Days a Year, But Has Scarred the Land
This massive, winding river in Namibia flows mostly underground, emerging only for a few days per year. Despite its ephemeral journey, it has left a lasting impression on the Earth’s surface. According to USGS: Namibia’s Ugab River only flows above ground for a few days each year. The subterranean waters underlying this ephemeral river, however,…