Leo & Mandy Dickinson / Fitz roy Mountain at sunset, Patagonia, Argentina

Leo & Mandy Dickinson / Aerial of Mt Everest from Tibet looking to Nepal. Kungchung face Himalayas. From hot air balloon

Leo & Mandy Dickinson / Aerial view of Mount Everest, Nuptse ridge in foreground, Himalayas, Nepal

Leo & Mandy Dickinson / Aerial of Makalu and Everest, Himalayas, Nepal

Leo & Mandy Dickinson / Camerman with parachute jumps from hot air balloon ready to film peregrine falcon diving after lure 'Ultimate Killers' 2000

Leo & Mandy Dickinson / Ogre 2 Mountain, Karakorum, Pakistan

Leo & Mandy Dickinson / Urdukas peaks, Karakorum, Pakistan

Leo & Mandy Dickinson / Machapuchari (Fish Tail) Mountain, Himalayas, Nepal

Leo & Mandy Dickinson / Mount Everest before dawn, Himalayas, Nepal

Leo & Mandy Dickinson / View from North Col of Everest,Himalayas, Nepal

Leo & Mandy Dickinson / One of the Great Trango spires, Karakorum, Pakistan

Leo & Mandy Dickinson / Great Trango wall in the Karakorum, Pakistan

Leo & Mandy Dickinson / Climbers nearing summit, Great Trango, Pakistan

Leo & Mandy Dickinson / Snowfall on the Biafo glacier in the Karakorum Mountains, Pakistan

Leo & Mandy Dickinson / Looking up at Trango Tower in the Karakorum Mountains, Pakistan

Leo & Mandy Dickinson / West face of Latok 2 mountain in the Karakorum, Pakistan

Leo & Mandy Dickinson / Frostbite damage to human hands

Leo & Mandy Dickinson / Frostbite damage to human toes

Leo & Mandy Dickinson / White water rafting on the Zambesi River, Zimbabwe

Leo & Mandy Dickinson / Victoria Falls - water at bottom of falls with rainbow

Leo & Mandy Dickinson / Eric Jones and Rick Sylvester in an ice cave, Patagonia, Argentina, 1972

Leo & Mandy Dickinson / Doug Scott, British mountaineer 1993

Leo & Mandy Dickinson / Cliff Philipps climbing on the Brouillard 1970

Leo & Mandy Dickinson / Leo Dickinson cooking on the Patagonia Ice Cap

Leo & Mandy Dickinson / Sir Chris Bonnington, British mountaineer 1993

Leo & Mandy Dickinson / Ron Fawcett ice climbing 1983

Leo & Mandy Dickinson / Brian Mollineaux , Eric Jones & Eddie Birch bivouac Matterhorn, Winter 1976

Leo & Mandy Dickinson / Reinhold Messner after Everest ascent without oxygen, 1978

Leo & Mandy Dickinson / Alison Hargreaves (1963 - 1995) on the North Col of Everest, 1995, the first woman to scale Mount Everest unassisted.

Leo & Mandy Dickinson / Reinhold Messner and Peter Habeler before Everest ascent without oxygen, the first people to do so, 1978.

Leo & Mandy Dickinson / Alison Hargreaves (1963 - 1995) climbing Mount Everest, 1995, the first woman to scale Mount Everest unassisted.

Leo & Mandy Dickinson / The Patagonian Ice Cap with the summit mushrooms on Mimosa, Patagonia, Argentina

Leo & Mandy Dickinson / Entrance to Los Glaciares NP from Pampa, Fitzroy Range behind, Patagonia, Argentina

Leo & Mandy Dickinson / Cerro Torre (3128m) and Torre Egger peaks, Patagonia, Argentina

Leo & Mandy Dickinson / South East ridge of Cerro Torre, Andes, Patagonia Argentina

Leo & Mandy Dickinson / Portrait of Sadhu, Holy man, Nepal

Leo & Mandy Dickinson / Aerial view of the Himalayas, Nepal

Leo & Mandy Dickinson / Sun setting over Pumori from North Col of Everest with clouds below, Himalayas, Nepal

Leo & Mandy Dickinson / Aerial view of Garashanka mountain, Himlalayas, Nepal

Leo & Mandy Dickinson / Summit of Nuptse Mountain, Himalayas, Nepal

Leo & Mandy Dickinson / Mount Everest, Himalayas, Nepal

Leo & Mandy Dickinson / Pumori Mountain in the Himalayas, Nepal

Leo & Mandy Dickinson / Aerial view of busy street in Kathmandu, Nepal, 1995

Leo & Mandy Dickinson / Shipton's Spire viewed from Trango Towers, Karakorum range, Northern Pakistan

Leo & Mandy Dickinson / Brouillard Pillars on Mt Blanc, Alps, France

Leo & Mandy Dickinson / Aerial view of Mt Everest (from Nepalese side) with Lhotse ridge in fore ground, Himalayas, Nepal

Leo & Mandy Dickinson / Climber Eric Jones on top of the Eiger, European Alps, Switzerland 1982

Leo & Mandy Dickinson / Eric Jones on Matterhorn summit, European Alps, Switzerland, 1976

Leo & Mandy Dickinson / Gyachung Kang mountain, Himalayas, Nepal

Leo & Mandy Dickinson / Buddhist monk blows a horn made from large shell, Nepal

Leo & Mandy Dickinson / Himalayas with Mt Everest in background taken from Kala Patar, Nepal

Leo & Mandy Dickinson / Mandy Dickinson with porters climbing in Karakoram Himalayas range, Pakistan, 1994

Leo & Mandy Dickinson / Grand Jorasse, Alps, France

Leo & Mandy Dickinson / Nepalese porter carrying large load of wood up mountain, Himalayas, Nepal

Leo & Mandy Dickinson / North Gaulton castle & climbers Orkney, Scotland

Leo & Mandy Dickinson / Cliff Phillips climbing North Gaulton castle, Orkney, Scotland

Leo & Mandy Dickinson / North face of Everest with Rongbuk glacier in foreground, Tibet.

Leo & Mandy Dickinson / North east ridge of Mt Everest.

Leo & Mandy Dickinson / Cholotse Mountain taekn from the Gokyo lakes, Himalayas, Nepal

Leo & Mandy Dickinson / Scops owl {Otus scops} on tree trunk

Leo & Mandy Dickinson / Tiger shark {Galeocerdo cuvieri} Indian Ocean off South Africa

Leo & Mandy Dickinson / Sherpa on ladder at Khumbu icefall. Mt. Everest, Himylayas, Nepal

Leo & Mandy Dickinson / Climbers Reinhold Messner and Peter Habeller dwarfed by Khumbu icefall block. Mt. Everest, Himylayas, Nepal

Leo & Mandy Dickinson / Last tea house before Everest base camp, Gorak Shep glacier, Nepal

Leo & Mandy Dickinson / The Ogre Mountain (7285m) at sunset, Karakorum range, Himalayas, Pakistan

Leo Mandy Dickinson / North Gaulton castle, off Orkney Scotland

Leo & Mandy Dickinson / Aerial view of Mount Everest, Nuptse ridge foreground right, Himalayas, Nepal

Leo & Mandy Dickinson / North face of Matterhorn, Switzerland, Europe

Leo & Mandy Dickinson / West face of Latok 2 mountain, Karakorum, Pakistan

Leo & Mandy Dickinson / Cameraman with parachute in hot air balloon about to film peregrine falcon diving after lure 'Ultimate Killers' 2000

Leo & Mandy Dickinson / Climbers Reinhold Messner and Peter Habeller negotiate icefall at 1200 metres. Mt. Everest, Himalayas, Nepal

Leo & Mandy Dickinson / Chumbu mountain, Himalayas, Nepal

Leo & Mandy Dickinson / Paragliding festival St Hilaire, France, Europe

Leo & Mandy Dickinson / Village of Phakding, Himalayas region, Nepal

Leo & Mandy Dickinson / Namche Bazar, Himalayas, Nepal

Leo & Mandy Dickinson / Leo Dickinson crossing crevass, Everest 1978, Nepal

Leo & Mandy Dickinson / Close-up of the Sun

Leo & Mandy Dickinson / Eclipse of the Sun

Leo & Mandy Dickinson / North face of Matterhorn, Switzerland, Europe

Leo & Mandy Dickinson / Porter carrying load on moraine, Karakorum, Pakistan

Leo & Mandy Dickinson / Sulphur fumes seep from Lautaro volcano, Patagonia, Argentina

Leo & Mandy Dickinson / Climbers about to attempt the Ogre in the Karakorum, Himalayas, Pakistan

Leo & Mandy Dickinson / Uli Biaho Tower, Karakorum, Pakistan

Leo & Mandy Dickinson / Distant view of Everest showing behind south face of Lhotse, Himalayas, Nepal

Leo & Mandy Dickinson / Lhotse Mountain, Himalayas, Nepal

Leo & Mandy Dickinson / Looking down the Khumbu Valley from Pheriche, Himalayas, Nepal

Leo & Mandy Dickinson / The Annupurnas, Himalayas, Nepal

Leo & Mandy Dickinson / Trango Tower taken from Great Trango, Karakorum, Pakistan

Leo & Mandy Dickinson / Yeti scalp and hand on display in Pangboche Monastery, Nepal

Leo & Mandy Dickinson / One of the Great Trango spire, Karakorum, Pakistan

Leo & Mandy Dickinson / Trango Tower, Karakorum, Pakistan

Leo & Mandy Dickinson / Base jumpers on Great Trango, Pakistan

Leo & Mandy Dickinson / Climber nearing summit of Great Trango, Pakistan

Leo & Mandy Dickinson / Mont Blanc and south ridge of the Noire, French Alps, Europe

Leo & Mandy Dickinson / South ridge of Noire mountain French Alps, Europe

Leo & Mandy Dickinson / Climbers on the Bonatti pillar on Dru Mountain, French Alps, Europe