Dutchman Wim Hof, better known as "Icema

Dutchman Wim Hof, better known as "Iceman" for his ability to withstand seemingly impossible levels of cold, demonstrates at a hotel in Kathmandu, 28 May 2007. 'Iceman', who failed in his attempt to conquer Mount Everest wearing just shorts vowed to have another half-naked crack at the world's highest peak next year. Hof said that next year he would try Everest again, and then with a paraglider and two French people they would fly down. AFP PHOTO/DEVENDRA M.SINGH (Photo credit should read DEVENDRA MAN SINGH./AFP via Getty Images)