Intérieur luxueux en marbre avec escalier en colimaçon spectaculaire

The image shows a luxurious interior space with a striking white marble spiral staircase that curves upward through a circular skylight in the ceiling. The floor and walls are finished in polished white marble with gray veining, giving the setting an elegant, high-end feel. On either side of the staircase, large portrait paintings hang on the walls, and sconce lights are mounted near them. The overall atmosphere is grand and opulent, highlighting the dramatic centerpiece of the floating spiral staircase.