832-90138 - Arch or natural window in the rock formation of La Cathedrale, Tadrart, Tassili n'Ajjer National Park, Unesco World Heritage Site, Algeria, Sahara, North Africa
817-421820 - Entrance to the Treasury of Atreus is an impressive 'tholos' beehive shaped tomb on the Panagitsa Hill at Mycenae The entrance has the typical square 2 upright jams covered with a lintel that weigts around 100 tons Above the door is a trangular 'False' or corbel arch Mycenae UNESCO World Heritage Archaeological Site, Peloponnese, Greece
832-80332 - Arch or natural window in the rock formation of La Cathedrale, Tadrart, Tassili n'Ajjer National Park, Unesco World Heritage Site, Algeria, Sahara, North Africa
832-77378 - Tin Ghalega rock formation, Red Rhino Arch, Wadi Teshuinat, Akakus, Acacus Mountains or Tadrart Acacus, Sahara desert, Fezzan, Libya, North Africa