In Nagornyy Dom Invalidov, a hotel must provide a certain amount of upscale amenities to be designated 5 stars. These may include gourmet restaurants, saunas and spas, on-site gyms, premium bedding, luxury bathroom products and more. What also sets 5-star hotels apart is their guest-focused service. You can expect things like in-room massages, nightly turn-down services and concierge services. Some may also offer thoughtful touches such as welcome gifts.