The opinions expressed in this commentary are solely those of Netsanet Belay.

CNN: Opinion: Sudan must end 'cruel' amputation punishment

We were several pitches up the chimney, no wider than my shoulders in places, and there was no safe spot to put the belay.

WSJ: Amid the Perils of Patagonia

At the top of each pitch, he pulled up the slack in the rope, fixed it to the anchor and started climbing again, while I used mechanical ascenders to get to the station and put him on belay as fast as I could.

WSJ: El Capitan's Nose in a Day | By Michael J. Ybarra