PHOTO: Matt Napier has embarked on four endurance walks to fight global poverty. (Supplied: Walk to a Better World) Walking thousands of kilometres alone in the desert, with nothing but a soccer ball...

She spent 11 months trekking to Siberia to find a cure for leprosy, but her love life overshadowed everything.   Kate Marsden (reclining on sledge) setting off. – ALL PHOTOS: ON SLEDGE AND...