War veterans battle high Andean desert for Lankan cancer charity:

Biting the dust in the Atacama

Dust, extreme aridity, dehydration, mountains, rocks and desert – 250 kilometres of it; hot in the day and cold at night. For military ex-servicemen, their past professional training and battle experience equip them well for the gruelling 7-day foot race across the world’s driest and highest desert: the Atacama Desert in the high Andean mountain range in Chilé.