Take a look at this panorama shot with lighting at an oblique angle, and see what you missed in the 3D visualization. Feet are a very common motif in Sinagua rock images, and there are many of them here. Look down close to the ground, and you may spot a set of toes just visible above ground level; it’s likely there are more elements on this panel that have been buried over the centuries since it was first created.
The RTI viewer below will also reveal more elements, as you change the lighting angle.
Note: If you see an error message below, please copy and paste chrome://settings/system into the Chrome search bar and toggle “Use hardware acceleration when available” to off.