I can’t feel fingertips after rowing in Antarctic seas

Sir Ranulph Fiennes, who is acclaimed by the Guinness Book of World Records as “the world’s greatest living explorer”, said: “I did once row all the way up the Thames from Windsor to Henley but to row in 90-minute shifts, eight times per day in the world’s coldest and roughest seas in less than five months after open heart surgery is inspirational.”