![Treadwall - Never Ending Rock Climb](https://hight3ch.com/wp-content/uploads/2012/09/treadwall.jpg)
Not a new invention but always cool to observe someone on a perpetual climbing wall. I can already see a Guiness World Record being attempted on this…
Not a new invention but always cool to observe someone on a perpetual climbing wall. I can already see a Guiness World Record being attempted on this…