Sea thrift (Armeria maritima) growing on the Cornish clifftops at The Rumps, looking towards The Mouls, England, United Kingdom, Europe

Walkers on coastpath with views of the Mouls and Rumps Point, Pentire Headland, Polzeath, North Cornwall, England, United Kingdom, Europe

View of the Mouls off Rumps Point, Pentire Headland, Polzeath, North Cornwall, England, United Kingdom, Europe

View of the Mouls off Rumps Point, Pentire Headland, Polzeath, North Cornwall, England, United Kingdom, Europe

Rock formation in the dunes of Moul N'Aga, Tadrart, Tassili n'Ajjer National Park, Unesco World Heritage Site, Algeria, Sahara, North Africa

Rock formation in the dunes of Moul N'Aga, Tadrart, Tassili n'Ajjer National Park, Algeria, Sahara, North Africa

Rock formation in the dunes of Moul N'Aga, Tadrart, Tassili n'Ajjer National Park, Unesco World Heritage Site, Algeria, Sahara, North Africa

Rock formation in the dunes of Moul N'Aga, Tadrart, Tassili n'Ajjer National Park, Unesco World Heritage Site, Algeria, Sahara, North Africa

Sand dunes of Moul N'Aga, Tadrart, Tassili n'Ajjer National Park, Unesco World Heritage Site, Algeria, Sahara, North Africa

Rock formation in the dunes of Moul N'Aga, Tadrart, Tassili n'Ajjer National Park, Unesco World Heritage Site, Algeria, Sahara, North Africa

Sandstone rock formation in the dunes of Moul N'Aga, Tadrart, Tassili n'Ajjer National Park, Unesco World Heritage Site, Algeria, Sahara, North Africa

Sandstone rock formation in the dunes of Moul N'Aga, Tadrart, Tassili n'Ajjer National Park, Unesco World Heritage Site, Algeria, Sahara, North Africa