grand hall interior 3d model

**“Create a highly detailed 3D model of a grand royal interior hall with a monumental double staircase. The architecture is inspired by classical European palaces with dark, aged, teal-green walls and tall vertical pillars featuring ornate carvings and gold accents. At the center of the hall, build a massive split staircase: wide steps rise from the lower marble platform, dividing into two curved side flights. The stair rails should be detailed with antique baluster designs and subtle gold embellishment. At the top landing, place a large framed portrait of a king or aristocratic figure in a golden, baroque-style frame. Behind the portrait, include tall arched windows with intricate metal latticework, allowing soft daylight shafts to illuminate the room. The floor is black marble with gold vein patterns, featuring a large decorative circular gold inlay design at the center, made of concentric curved lines. The hall has a high ceiling supported by an upper balcony level, bordered by