One of the world’s most sought-after expedition photographers reveals a new generation of daredevil climbers scaling the park’s sheer rock faces. ➡ Subscribe: http://bit.ly/NatGeoSubscribe ➡ Get More Nat Geo Live: http://bit.ly/MoreNatGeoLive About Nat Geo Live (National Geographic Live): Thought-provoking presentations by today’s leading explorers, scientists, and photographers. Get More National Geographic: Official Site: http://bit.ly/NatGeoOfficialSite Facebook:…