In case you don't know what slacklining is: It is very similar to tightrope-walking, with a few small differences. And one guy, Théo Sanson, may have just set a new world record by doing it for 500 meters over the Utah Desert.
Watch more: The Incredible Art Of Extreme Slacklining
If you're afraid of heights, this may not be the video for you. Otherwise, get ready for 2 minutes of terrifying and simultaneously amazing footage showing Sanson making his dangerous journey.
Video via Camp 4 Collective/Vimeo