Luxury spa bathroom with large arched window, freestanding white bathtub, soft white shag rug, elegant pink rose bouquet in glass vase, plush cream ottoman seating, marble floors, natural light, tranquil lake view, snow-capped mountain in the background, serene and minimalist interior design, airy atmosphere, upscale and peaceful retreat, floor-to-ceiling windows, soft neutral tones, modern classic decor, relaxing mountain escape