A cross-section illustration of a luxury penthouse apartment at dusk showing both the finished living spaces upstairs and the complex hidden infrastructure downstairs. The top half features a modern living room with city skyline views, a gourmet kitchen, and elegant bathrooms. The bottom cutaway view reveals a network of glowing orange and blue pipes for plumbing and radiant floor heating, alongside water filtration systems and manifolds powering the fixtures above.
Attached to: The Hidden Systems That Define Comfort in High-End Residential Living
