Generate a large underground Minecr...

Generate a large underground Minecraft base inspired by a grand medieval-industrial hall. Main structure: * A massive entrance tunnel carved into a mountain, long and symmetrical * The tunnel leads into a huge central hall (main hub) * The central hub connects to 3 main corridors (left, right, forward), perfectly symmetrical Style: * Mix of stone bricks, cobblestone, and spruce wood beams * Strong use of arches and layered ceilings (cathedral-like design) * Repetitive pillar design along walls for depth and scale * Clean, organized, and highly structured (YouTube builder quality) Interior details: * Integrated storage walls with chests embedded between pillars * Lighting with lanterns, sea lanterns, or glowstone (hidden lighting preferred) * Detailed floor patterns using stone, polis