Marguerite Smits Van Oyen / Lac Assal, crystallised salt on shoreline, 150m below sea level. Djibouti, East Africa sea water

Marguerite Smits Van Oyen / Herd of African elephants coming out of trees {Loxodonta africana} Masai Mara, Kenya

Marguerite Smits Van Oyen / Lioness portrait {Panthera leo} Masai Mara, Kenya - Marsh pride

Marguerite Smits Van Oyen / Two Meerkats standing on guard {Suricata suricatta} Tswalu Kalahari R, South Africa - suricates

Marguerite Smits Van Oyen / Meerkat family on alert at burrow {Suricata suricatta} Tswali Kalahari R South Africa

Marguerite Smits Van Oyen / Gavin Thurston and Chris Taylor filming Waarthog for BBC NHU 'Big Cat Diary', Masai Mara GR, Kenya

Marguerite Smits Van Oyen / Cheetah 'Queenie' sitting on safari vehicle during filming of BBC NHU 'Big Cat Diary', Masai Mara GR, Kenya

Marguerite Smits Van Oyen / Camerman Gavin Thurston filming Cheetah on top of vehicle for BBC NHU 'Big Cat Diary', Masai Mara GR, Kenya

Marguerite Smits Van Oyen / Red ghost crabs {Neosarmatium meinerti} pull mangrove leaf into hole to eat. East Africa

Marguerite Smits Van Oyen / Traditional fisherman's dhow, Zanzibar, Tanzania

Marguerite Smits Van Oyen / Lioness {Panthera leo} Masai Mara, Kenya. From the Marsh pride, 2002

Marguerite Smits Van Oyen / Leopard with Wildebeest kill. Masai Mara, Kenya. 'Safi' from Big Cat Diary 2000

Marguerite Smits Van Oyen / Leopard with Wildebeest kill, Masai Mara, Kenya. 'Safi' from Big Cat Diary 2000

Marguerite Smits Van Oyen / Fireball lily {Scadoxus multiflorus} Masai Mara, Kenya

Marguerite Smits Van Oyen / Fireball lily {Scadoxus multiflorus} Masai Mara, Kenya

Marguerite Smits Van Oyen / Aerial view of Ile du Diable and Bay of Ghoubbet, Djibouti, East Africa

Marguerite Smits Van Oyen / Aerial view of Ile du Diable and Bay of Ghoubbet, Djibouti, East Africa

Marguerite Smits Van Oyen / Mineral 'chimneys' of Lac Abbe, Djibouti, East Africa + herdsman with flock of goats. Chimneys

Marguerite Smits Van Oyen / Mineral 'chimneys' of Lac Abbe, Djibouti, East Africa + herdsman with flock of goats. Chimneys

Marguerite Smits Van Oyen / Mineral 'chimneys' of Lac Abbe, Djibouti, East Africa + herdsman with flock of goats. Chimneys

Marguerite Smits Van Oyen / Mineral 'chimneys' of Lac Abbe, Djibouti, East Africa. Formed in lake, now exposed on plain. sea

Marguerite Smits Van Oyen / Afar tribesman + camels transporting salt from Lac Assal, Djibouti, East Africa.

Marguerite Smits Van Oyen / Afar tribesman loading salt onto camel. Lac Assal, Djibouti, East Africa. 150m below sea

Marguerite Smits Van Oyen / Afar tribesman mining salt, Lac Assal, Djibouti, East Africa. 150m below sea level.

Marguerite Smits Van Oyen / Afar tribesmen mining salt, Lac Assal, Djibouti, East Africa. 150m below sea level. Sea water seeps through into lake and evaporates.

Marguerite Smits Van Oyen / Afar tribesmen mining salt, Lac Assal, Djibouti, East Africa. 150m below sea level. sea water

Marguerite Smits Van Oyen / Afar tribesmen mining salt, Lac Assal, Djibouti, East Africa. 150m below sea level. sea water

Marguerite Smits Van Oyen / Afar tribesmen mining salt, Lac Assal, Djibouti, East Africa. 150m below sea level. Sea water seeps through into lake and evaporates.

Marguerite Smits Van Oyen / Afar tribesman mining salt, Lac Assal, Djibouti, East Africa. 150m below sea level. sea water

Marguerite Smits Van Oyen / Aerial view of Djibouti with crystalline salt deposits. Sea water seeps through and evaporates. East Africa

Marguerite Smits Van Oyen / Hot spring sea water seeping into Lac Assal 150m below sea level. Djibouti, East Africa

Marguerite Smits Van Oyen / Hot spring sea water seeping into Lac Assal 150m below sea level. Djibouti, East Africa

Marguerite Smits Van Oyen / Lac Assal, crystallised salt on shoreline, 150m below sea level. Djibouti, East Africa sea water

Marguerite Smits Van Oyen / Lac Assal, crystallised salt on shoreline, 150m below sea level. Djibouti, East Africa sea water

Marguerite Smits Van Oyen / Lac Assal, crystallised salt on shoreline, 150m below sea level. Djibouti, East Africa sea water

Marguerite Smits Van Oyen / Lac Assal, crystallised salt on shoreline, 150m below sea level. Djibouti, East Africa. sea water

Marguerite Smits Van Oyen / Mineral chimneys of Lac Abbe, Djibouti, East Africa. Formed in lake, now exposed on plain.

Marguerite Smits Van Oyen / French army arriving by helicopter on Seven Brothers Is, Djibouti, East Africa

Marguerite Smits Van Oyen / Coastal landscape of The Seven Brothers coral islands, Djibouti, East Africa

Marguerite Smits Van Oyen / Moray eel on coast of The Seven Brothers coral islands, Djibouti, East Africa

Marguerite Smits Van Oyen / Sea ledges on The Seven Brothers coral islands, Djibouti, East Africa

Marguerite Smits Van Oyen / Crevasse where The Rift enters Africa at Lac Assal (150m below sea level) Djibouti, Africa New

Marguerite Smits Van Oyen / Simon King + Suricates / Meerkats {Suricata suricatta} during filming, South Africa

Marguerite Smits Van Oyen / Ostrich male with chicks {Struthio camelus} Masai Mara, Kenya

Marguerite Smits Van Oyen / Herd of African elephants coming out of trees {Loxodonta africana} Masai Mara, Kenya

Marguerite Smits Van Oyen / Common Zebra drinking at Oxbow lake, Masai Mara NR, Kenya, East Africa

Marguerite Smits Van Oyen / Lioness portrait {Panthera leo} Masai Mara, Kenya Marsh pride.

Marguerite Smits Van Oyen / Cheetah lying on jeep (Acinonyx jubatus) Masai Mara GR, Kenya