historic greenhouse 3d model

Create a huge historic greenhouse inspired by a classical botanical conservatory, with a long symmetrical glass hall, delicate metal ribs, tall curved roof sections, spacious empty interior, refined 19th-century architectural elegance, slightly fantasy atmosphere, monumental and airy design, transparent glazing, decorative ironwork, no plants inside, no benches, no people, no clutter, realistic proportions, detailed but clean geometry, PBR materials, environment art asset.