Hikers on their way down from the summit of Point Lenana, Mount Kenya

Hikers on their way down from the summit of Point Lenana, Mount Kenya

Hikers on their way down from the summit of Point Lenana, Mount Kenya

Hikers approaching Austrian Hut, on their way down from the summit of Point Lenana, Mount Kenya

The view from the summit of Point Lenana (4985m), one the three peaks of the Mount Kenya massif, with three people on their way down

A Giant Lobelia at Shipton's Camp, with the peaks of Mount Kenya appearing through the mist

Hikers, surrounded by Giant Groundsel, en route to Point Lenana, Mount Kenya, the highest mountain in Kenya and the second highest in Africa, after Kilimanjaro.

Hikers, surrounded by Giant Groundsel, en route to Point Lenana, Mount Kenya, the highest mountain in Kenya and the second highest in Africa, after Kilimanjaro.

A woman looking across the valley to the peaks of Mount Kenya, the highest mountain in Kenya and the second highest in Africa, after Kilimanjaro.

A young woman looking across the valley to Mount Kenya, the highest mountain in Kenya and the second highest in Africa, after Kilimanjaro. Far below is Likki North Camp at 3990m.

Kenya. Climbers traverse a ridge towards the peaks of Mount Kenya. Retreating glaciers and the lack of snow highlights the effects of global warming on the equator.

Kenya. Climbers scale a ridge towards the peaks of Mount Kenya. Retreating glaciers and the lack of snow highlights the effects of global warming on the equator.

Kenya. The snow-dusted peaks of Mount Kenya, Africa? second highest mountain.

Kenya. The snow-dusted twin peaks of Mount Kenya, Africa? second highest mountain, with Point Lenana and Lewis glacier in the background.