If you look at a map of northwest Namibia, most of them have dots marking “towns” like red drum, blue drum, green drum or orange drum. I can tell you now they are not towns, they are just markers like in this photo. This is Red Drum and there wasn’t anything that resembled a town in any direction for a good half a days drive.
The black corner in this photo is from using a circular polarizer. I like the effect,