Cinematic aerial view of a ancient stone staircase spiraling down into an underground cavern, weathered granite steps transformed into flowing liquid chrome mercury with iridescent oil-on-water rainbow oxidation spreading across frozen rock surfaces and moss-covered edges, razor-sharp stone curves catching dramatic prismatic rim light from an unseen光源, suspended dust particles and mineral fragments dancing in volumetric glow, deep earth gradient background with scattered crystal formations and copper mineral deposits, hyperrealistic 8k render, volumetric lighting carving luminous geological cathedral edges from darkness