Preview Isolated chalk towers, remnants of karst, Farafra Oasis, White Desert, Western Desert, Egypt, North Africa, Africa Image ID: 29-4132 Artist: Tony Waltham Purchase a commercial license Buy framed prints & more from our print store travel africa north africa egypt western desert deserts white desert farafra karst chalk rock formations erosion eroded surface processes physical geography geology natural world nature scenics landscapes landscape horizontal outdoors day contemporary photography