Rock climber with one arm wins big | Humankind

Matthew says climbing with one arm gives him an advantage. When you see how fast he goes, you'll understand why. RELATED VIDEO »    • Triathlete shows kids with disabilities wh...   Subscribe to Humankind’s YouTube channel:    / humankindvideos   AND if you love Humankind, subscribe to our other channels here: » Animal lover?! Check out Animalkind!    / animalkind   » America’s troops?! Check out Militarykind!    / militarykind   » Want even more amazing kid stories?! Check out Kidskind!:    / kidskind