Dramatic footage shows fearless thrill-seeker ride unicycle along tightrope 150ft from ground

This dramatic footage shows the death-defying moment a fearless thrill-seeker rode a unicycle along a tightrope 100ft from the ground.
Daring Guillaume Fontaine, 20, can be seen directing a tiny unicycle more than 200ft between cliff faces over a rocky chasm.
The French Canadian adrenaline-junkie plans to claim a new world record after completing the scary stunt at Table Mountain in New Hampshire, United States.