The bathroom background wall of the Ritz-Carlton hotel

Quick answer：

The bathroom background wall of the Ritz-Carlton hotel is typically designed with high-quality materials and elegant aesthetics, reflecting the luxury and sophistication of the brand. The design often includes elements such as marble, intricate mosaics, or artistic murals to create a serene and luxurious ambiance. Each Ritz-Carlton location may have unique designs tailored to the local culture and architectural style.