Tree roots and erosion forms on a limestone rock at Rough Trail. Red River Gorge, Kentucky, November 6, 1999.
Erosion of sandy soil under pine trees near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
Tree roots and erosion forms on a limestone rock at Rough Trail. Red River Gorge, Kentucky, November 6, 1999. Erosion of sandy soil under pine trees near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024 |