Robin Hanbury-Tenison, co-founder and President of Survival International, is celebrating his 80th year by completing eight daring feats in aid of the charity.

Starting with the London Marathon on April 2015, Robin aims to raise £80,000 through his challenges. These saw him climbing the four highest mountains in the British Isles, skydiving from 4,000 metres, abseiling down England’s deepest cave and finally, at the weekend, waterskiing across the English Channel.

You can help him reach his fundraising target here.

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