Alex Honnold talks about his epic climb up El Capitan, which has been captured in the Oscar-winning documentary, Free Solo First published: https://www.firstpost.com/living/free-solo-how-rock-climber-alex-honnold-scaled-the-3000-feet-high-vertical-face-of-yosemites-el-capitan-6632001.html Free Solo: How rock climber Alex Honnold…