realistic illustration, 
A futuristic vision of a re-imagined version of an expansive Roman bath-house, steaming hot tubs, people bathing in artificial waterfalls, rain-style showerheads, lounge chairs, people in bathing suits relaxing and soaking and bathing in various gorgeous facilities, aesthetic tile work, mosaic walls, a vision of a relaxing facility with people using varied water works, well-planned facility, skylights, elaborate large indoor facility with different levels and zones, potted plants, glass brick sectional walls, 
perfect background, 
flawless, ultra detail, insane quality, perfect, 
highest quality