Two professional climbers are tackling El Capitan 's biggest challenge . Follow their journey on Caldwell and Jorgeson 's Instagram accounts , Caldwell and Jorgeson 's Facebook accounts and YouTube . The pair have been climbing the iconic rock since they were teenagers and now they're aiming to become the first people ever to climb it without ropes or harnesses. They are only using their hands and feet to climb upwards .
Two professional climbers are tackling El Capitan 's biggest challenge . The pair have been climbing the iconic rock since they were teenagers and now they're aiming to become the first people ever to climb it without ropes or harnesses. They are only using their hands and feet to climb upwards .