In a 1,500 - mile [2,000 km] swath along the western edge of the Namib Desert in southwestern Africa, patches of barren, sandy soil 6 to 30 feet [2 m to 10 m] in diameter dot the landscape.
Ada yang unik di daerah sempit sepanjang 2.000 kilometer di pinggiran barat Gurun Namib di wilayah barat daya Afrika. Di sana - sini terdapat lingkaran tanah gersang berpasir yang bergaris tengah antara 2 sampai 10 meter.