Icon SVG Sprite for mortar icons xml version="1.0" encoding="utf-8" svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" Google Tag Manager End Google Tag Manager http://www.nationalgeographic.com/adventure/2016/conrad-anker-survives-heart-attack-climbing-nepal.html News Exclusive: Celebrated Mountaineer Suffers Heart Attack at 20,000 Feet On November 16, Conrad Anker, 54, one of the world’s most accomplished alpinists, had a heart attack while climbing in the Himalaya. At the time he was clinging to a wall of ice and rock, just below 20,000 feet on the 22,660-foot northwest face of Lunag-Ri, with 26-year-old Austrian climber David Lama . It was the pair’s second attempt on the tallest unclimbed mountain in Nepal. (There are a couple higher unclimbed summits i...