ENGLAND Northumberland Cawfields A winter view of the Great Whin Sill at Cawfields near the town of Haltwhistle

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

Morocco, Central Morocco, Todra Gorge. The village of Tizgui, dwarfed by the mountains south of the Todra Gorge.

Morocco, Central Morocco, Todra Gorge. The village of Tizgui, dwarfed by the mountains south of the Todra Gorge.

Morocco, Central Morocco, Todra Gorge. The village of Tizgui, dwarfed by the mountains south of the Todra Gorge.

Morocco, Central Morocco, Todra Gorge. A climber continues to climb the sheer face of the Todra Gorge.

Morocco, Central Morocco, Todra Gorge. The impressive formations of the mountain peaks surrounding the Todra Gorge.

Morocco, Central Morocco, Todra Gorge. The impressive formations of the mountain peaks surrounding the Todra Gorge.

Morocco, Central Morocco, Todra Gorge. The ochre-coloured cliffs of the gorge in the High Atlas mountains.

Morocco, Central Morocco, Todra Gorge. The impressive formations of the mountain peaks surrounding the Todra Gorge.

Morocco, Central Morocco, Todra Gorge. The impressive formations of the mountain peaks surrounding the Todra Gorge.

Morocco, Central Morocco, Todra Gorge. The impressive formations of the mountain peaks surrounding the Todra Gorge.

Morocco, Central Morocco, Todra Gorge. The impressive formations of the mountain peaks surrounding the Todra Gorge.

Morocco, Central Morocco, Merzouga. Camels in a Berber camp in the dunes of the Erg Chebbi, part of the Sahara desert.

Morocco, Central Morocco, Merzouga. A camel rests in 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 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. 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. 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