Haussmannian architecture, grandiose building, ornate details, intricate carvings, curved lines, Art Nouveau influence, Parisian style, early 20th century, historical landmark, urban setting, stone walls, iron railings, large windows, glass roof, ornate doors, lavish interior, marble floors, high ceilings, chandeliers, grand staircase, opulent decorations, warm lighting, soft focus, cinematic composition.