Subterranean eco-haven, vast underground city carved into bedrock, illuminated by bioluminescent fungi and advanced light-harvesting crystals. Tiered gardens cascade through cavernous spaces, fed by intricate hydroponics systems. Towering geothermal pillars support massive habitation domes, their surfaces alive with vertical farms. Winding eco-glass tunnels connect biodomes filled with diverse biomes. Advanced air purification systems integrated seamlessly into rock walls. Suspended walkways crisscross open spaces, linking communal areas and private dwellings. Water recycling falls create natural ambiance. Solar tubes pierce through to surface, bringing natural light. Self-sustaining agricultural zones intermingle with living quarters. Cutting-edge waste management systems visible yet aesthetically pleasing. Harmonious blend of high-tech sustainability and natural rock formations. Intricate details, 8K resolution, photorealistic rendering, ambient occlusion, volumetric lighting <lora:Organic Sauce - FLUX:0.3> <lora:style_of_Norman_Ackroyd_FLUX_100:0.3> <lora:artisketchyfs-v02:0.5> <lora:flux.1_lora_flyway_Epic-detail_v2:0.3> <lora:flux_dev:1>