These rock slabs are so massive they look unreal! 🤯🚵‍♂️ From near-vertical lines to full-speed sends, this is next-level MTB riding. Would you take them on? 🔥 #MTB #RockSlabs # ...

Altogether, the researchers looked at three rock slabs bearing footprints, most of which came from one slab discovered in 2002. Romilio said in a video that the footprints are mostly headed in one ...