LONDON, ENGLAND - SEPTEMBER 07: Alistair McAuley abseils down the Walkie-Talkie during the Outward Bound Trust's and the Royal Navy and Royal Marines Charity's most daring stunt: The City Three Peaks Challenge on September 7, 2015 in London, England. (Photo by John Phillips/Getty Images for the Outward Bound Trust and the Royal Navy and Royal Marines Charity)
