The Ice Tunnel

Europa ice tunnel, dark cyan/blue translucent walls, volumetric fog, Environment: Curved tunnel network with jagged ice protrusions, procedurally scattered ice crystals, layered depth via transparent ice walls. Lighting: Low-key, cold blue rim lights, scattered volumetrics through ice, subtle bioluminescence (0.2 emissive). Materials: Ice (0.8 translucency, 0.9 specular, normal map for surface detail).