a vast fantasy cave environment whe...

a vast fantasy cave environment where architecture is seamlessly integrated into the cave itself, the cave walls forming natural structures and living spaces, multi-layered vertical cave city, carved stone terraces and pathways, wooden and stone elements blended into rock, hanging bridges and platforms attached to cave walls, lush vegetation, vines, moss, glow berries, warm lantern lighting, cinematic lighting, soft shadows, volumetric light, small waterfalls, underground river, glowing crystals, colorful banners and cloths hanging, immersive, cozy fantasy