| Title | : | How I climbed a 3,000-foot vertical cliff -- without ropes Alex Honnold TED |
| Duration | : | 11 minutes, 50 seconds |
| Uploader | : | TED |
| Added On: | : | 29 October, 2018 |
| Views | : | 10.4M times |
| Likes | : | 0 |
| Source | : | YouTube |
Visit httpTED.com to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more.Imagine being by yourself in the dead center of a 3,000-foot vertical cliff -- without a rope to catch you if you fall. For pro
