Art Nouveau grocery store interior, ornate limestone walls, floors, and countertops, intricate carvings of botanical motifs, flowing lines, whiplash curves, luxurious ambient lighting, warm beige tone, elegant arches, grand staircase, ornate metal railings, vintage wooden shelves, antique display cases, bustling shopping atmosphere, busy shoppers in early 20th century attire, soft focus on background, shallow depth of field, warm color palette, romantic and nostalgic mood.