12 Prehistoric Rituals More Insane Than Any Legend Ever

12 Prehistoric Rituals More Insane Than Any Legend Ever Number 10: Blood Cave Painting. You press your back against cold limestone and hold your torch close to the ceiling, and the rock above you is alive in a way that stops your breath completely. You are standing inside El Castillo Cave in the Cantabrian mountains of northern Spain, and the year outside is 2012, but what surrounds you is incalculably older than that. Red discs bleed into the stone as if they grew there organically, as if the rock itself secreted pigment across millennia of absolute darkness. Hand stencils crowd the ceiling in clusters, each one the intimate, irreplaceable mark of a being who pressed flesh to stone and blew pigment around their own fingers.