Flint stones in a desert on roadside of a road to Sawda Natheel. Southern Qatar, February 5, 2016
A desert plateau covered by flint stones (view to south-east) 1.5 miles south from Ben Gurion College at Sde Boker. The Middle East, February 15, 2001
A plateau of Negev desert covered by flint stones (view to south-east) 1.5 miles south from Ben Gurion College at Sde Boker. The Middle East, November 17, 2002
Black flint stones covering surface of a desert on roadside of a road to Sawda Natheel. Southern Qatar, February 5, 2016
Flint stones and a plant of a plateau of Negev desert 1.5 miles south from Ben Gurion College at Sde Boker. The Middle East, November 17, 2002
Flint stones of a plateau of Negev desert 1.5 miles south from Ben Gurion College at Sde Boker. The Middle East, November 17, 2002
Flint stone with a wind carved hole on desert plain in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
Fossil sea urchin (echinoid, echinoderm) among flint stones on desert plane in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013