Morocco, Central Morocco, Merzouga. The undulating shapes of the dunes of the Erg Chebbi, part of the Sahara desert

Morocco, Central Morocco, Merzouga. The undulating shapes of the dunes of the Erg Chebbi, part of the Sahara desert

Morocco, Central Morocco, Merzouga. The undulating shapes of the dunes of the Erg Chebbi, part of the Sahara desert

Morocco, Central Morocco, Merzouga. Camels, tourists and guides shadows are cast on the dunes of the Erg Chebbi in the Sahara Desert.

Morocco, Central Morocco, Merzouga A Moroccan guide leads a tourist camel train through the Erg Chebbi in the Sahara Desert.

Morocco, Central Morocco, Merzouga. Camels, tourists and guides shadows are cast on the dunes of the Erg Chebbi in the Sahara Desert.

Morocco, Central Morocco, Merzouga. Camels, tourists and guides shadows are cast on the dunes of the Erg Chebbi in the Sahara Desert.

Morocco, Central Morocco, Merzouga. The undulating shapes of the dunes of the Erg Chebbi, part of the Sahara desert

Morocco, Central Morocco, Merzouga. The undulating shapes of the dunes of the Erg Chebbi, part of the Sahara desert

Morocco, Central Morocco, Merzouga. The green colours of wild plants indicate an oasis in the Erg Chebbi in the Sahara

Morocco, Central Morocco, Merzouga A Moroccan guide leads a tourist camel train through the Erg Chebbi in the Sahara

Morocco, Central Morocco, Merzouga A Moroccan guide leads a tourist camel train through the Erg Chebbi in the Sahara

Morocco, Central Morocco, Merzouga. The undulating shapes of the dunes of the Erg Chebbi, part of the Sahara desert

Morocco, Central Morocco, Merzouga. The undulating shapes of the dunes of the Erg Chebbi, part of the Sahara desert

Morocco, Central Morocco, Merzouga. The undulating patterns of the dunes of the Erg Chebbi, part of the Sahara desert

Morocco, Central Morocco, Merzouga. The undulating shapes of the dunes of the Erg Chebbi, part of the Sahara desert

Morocco, Central Morocco, Merzouga. The undulating shapes of the dunes of the Erg Chebbi, part of the Sahara desert

Morocco, Central Morocco, Merzouga. The wind sculptured patterns of sand in the dunes of the Erg Chebbi in the Sahara Desert.

Morocco, Central Morocco, Merzouga. The wind sculptured patterns of sand in the dunes of the Erg Chebbi in the Sahara Desert.

Morocco, Central Morocco, Merzouga. A female tourist backpacker explores the dunes of the Erg Chebbi in the Sahara Desert.

Morocco, Central Morocco, Merzouga. A female tourist backpacker explores the dunes of the Erg Chebbi in the Sahara Desert.

Morocco, Central Morocco, Merzouga. The undulating shapes of the dunes of the Erg Chebbi, part of the Sahara desert

Morocco, Central Morocco, Cascades d'Ouzoud. The fast flowing waters of the Ouzoud cascade, plunging into the gorge.

Morocco, Central Morocco, Cascades d'Ouzoud. The fast flowing waters of the Ouzoud cascade, plunging into the gorge.

Morocco, Central Morocco, The Ouzoud Gorge. The flowing waters of the river running downstream from the cascades

Morocco, Central Morocco, The Ouzoud Gorge. A mosaic of flora and colours on the hillside of the Oued el-Abid gorge.

Morocco, Central Morocco, The Ouzoud Gorge. The hills of the gorges of Oued el-Abid, photographed from near the caves

Morocco, Central Morocco, The Ouzoud Gorge. The hills of the gorges of Oued el-Abid, photographed from near the caves

Morocco, Central Morocco, The Ouzoud Gorge. The interior of natural caves, popular with tourists visiting the cascades.

Morocco, Central Morocco, The Ouzoud Gorge. The interior of natural caves, popular with tourists visiting the cascades.

Morocco, Central Morocco, The Ouzoud Gorge. The flowing waters of the river running downstream from the cascades

Morocco, Central Morocco, The Ouzoud Gorge. The flowing waters of the river running downstream from the cascades

Morocco, Central Morocco, The Ouzoud Gorge. The flowing waters of the river running downstream from the cascades

Morocco, Central Morocco, The Ouzoud Gorge. A female hiker admires the wild landscape of the gorge and hills.

Morocco, Central Morocco, The Ouzoud Gorge. The spectacular wild landscape of the gorge and surrounding hills.

Morocco, Central Morocco, The Ouzoud Gorge. The spectacular wild landscape of the gorge and surrounding hills.

Morocco, Central Morocco, The Ouzoud Gorge. The flowing waters of the river running downstream from the cascades

Morocco, Central Morocco, The Ouzoud Gorge. The flowing waters of the river running downstream from the cascades

Morocco, Central Morocco, The Ouzoud Gorge. The flowing waters of the river running downstream from the cascades

Morocco, Central Morocco, The Ouzoud Gorge. The flowing waters of the river running downstream from the cascades

Morocco, Central Morocco, The Ouzoud Gorge. The flowing waters of the river running downstream from the cascades

Morocco, Central Morocco, The Ouzoud Gorge. The flowing waters of the river running downstream from the cascades

Morocco, Central Morocco, The Ouzoud Gorge. A rock formation found downstream of the Cascades d'Ouzoud.

Morocco, Central Morocco, The Ouzoud Gorge. A rock formation found downstream of the Cascades d'Ouzoud.

Morocco, Central Morocco, Cascades d'Ouzoud. The fast flowing waters of the Ouzoud cascade, plunging into the gorge.

Morocco, Central Morocco, Cascades d'Ouzoud. The fast flowing waters of the Ouzoud cascade, plunging into the gorge.

Morocco, Central Morocco, Cascades d'Ouzoud. The fast flowing waters of the Ouzoud cascade, plunging into the gorge.

Morocco, Central Morocco, Cascades d'Ouzoud. The fast flowing waters of the Ouzoud cascade, plunging into the gorge.

Morocco, Central Morocco, Cascades d'Ouzoud. Macaque Monkey (Barbary Ape), photographed in woodland near the falls

Morocco, Central Morocco, Cascades d'Ouzoud. Macaque Monkey (Barbary Ape), photographed in woodland near the falls