The Princess of Wales surprised several hikers on her gruelling Three Peaks challenge - including an 11-year-old boy in a wheelchair whose dad helped to carry him up Ben Nevis. In a surprise feat of endurance, it was revealed that Kate took on the gruelling 'personal' expedition this weekend to raise money for a cancer charity and “explore life beyond diagnosis”. The future queen climbed the highest mountains in Scotland, England and Wales – Ben Nevis, Scafell Pike and Snowdon – within 24 hours,