At first glance this photo by Andre Ermolaev looks like a twisting abstract painting, but in reality is one of the aerial photos of rivers flowing through Iceland’s endless beds of volcanic ash. This is just a river, just a volcano, just our planet.
The satellite captured this image of the sand seas of the Namib Desert. The blue and white area is the dry river bed of the Tsauchab. Image Courtesy: Korea Aerospace Research Institute / European Space Agency