746-60155 - Going to Puez refuge, Puez Odle natural Park, between Gardena Valley and Badia Valley, Alto Adige, Italy

733-4219 - Trekkers looking at the Western Cwm glacier, Solu Khumbu Everest Region, Sagarmatha National Park, Himalayas, Nepal, Asia

733-4243 - Trekker crossing a mountain stream, Ama Dablam, 6812m, Solu Khumbu Everest Region, Sagarmatha National Park, Himalayas, Nepal, Asia

733-4242 - Trekker crossing a mountain stream, Ama Dablam, 6812m, behind, Solu Khumbu Everest Region, Sagarmatha National Park, Himalayas, Nepal, Asia

733-4193 - Trekkers walking past a mani stone, Solu Khumbu Everest Region, Sagarmatha National Park, Nepal, Asia

733-4233 - Trekker watching the sunset over Cholatse, 6335m, Solu Khumbu Everest Region, Sagarmatha National Park, Himalayas, Nepal, Asia

733-4244 - Trekker crossing a mountain stream, Ama Dablam, 6812m, Solu Khumbu Everest Region, Sagarmatha National Park, Himalayas, Nepal, Asia

802-101 - A hiker takes in the view on the shore of Tenaya Lake, in the Tuolumne Meadows, near Tioga Pass and Yosemite Valley, Sierra Nevada, California, United States of America, North America

802-61 - A trekker heads up into the wilderness of the highest part of the Ecrins Massif in deep winter snow, above the village of Pelvoux, near Briancon, western Alps, Hautes Alpes, south west France, Europe

802-19 - A trekker pauses for a break on the edge of a glacial stream on the way to Mera Peak, a popular trekking peak in the Khumbu Region, near Mount Everest, Nepal, Himalayas, Asia

641-12189 - Trekking to top of glacier, Neko Harbour, Antarctic Peninsula, Antarctica, Polar Regions

641-12188 - Neko Harbour, Antarctic Peninsula, Antarctica, Polar Regions

641-12187 - Neko Harbour, Antarctic Peninsula, Antarctica, Polar Regions

772-2043 - Trekker in terraced rice fields, Yuanyang, Yunnan Province, China, Asia

225-3581 - Party of trekkers on top of dunes at Chigaga, Draa Valley, Morocco, North Africa

718-379 - Trekker looking at Ama Dablan and other mountains of the Himalayas, Hotel Everest view, Namche Bazaar, Nepal

357-3071 - Glacier and trekker from summit at Uhuru Peak, Kilimanjaro National Park, Tanzania, Africa

755-89 - Trekker enjoys the view on the Annapurna circuit trek, Jomsom, Himalayas, Nepal. The high peak in the distance is 7021m Nilgiri, forming part of a wall known as The Grand Barrier. Model released.

225-3588 - End of desert trek photo, tourist with guide, cook, camel man and donkey, Chigaga, Draa Valley, Morocco, North Africa, Africa

357-3038 - Trekkers beginning trek up Mount Meru, Arusha National Park, Tanzania, East Africa, Africa

718-767 - Trekker looking at surrounding landscape, Parque Nacional de la Caldera de Taburiente, La Palma, Canary Islands, Spain, Atlantic, Europe

755-87 - Trekker enjoys the view on the Annapurna circuit trek, between Jomsom and Muktinath, Himalayas, Nepal, Asia

755-16 - Trekker at dawn looking out over the old fortified village of Jharkot on the Annapurna circuit trek, the valley below is supposedly the deepest in the world with Annapurna on one side and Dhaulagiri on the other, Nepal, Asia

755-88 - Trekker taking a photo on the Annapurna circuit trek, between Jomsom and Muktinath, Himalayas, Nepal, Asia

357-3029 - Trekkers and Oldonyo Lengai volcano, Ngorongoro Conservation Area, Tanzania, East Africa, Africa

755-90 - Trekker on the Annapurna circuit trek, the high peak in the distance is one of the Nilgiris, part of The Grand Barrier, Jomsom, Himalayas, Nepal, Asia

252-1511 - Trekker on local bridge crossing river, Annapurna region, Himalayas, Nepal, Asia