Self-contained saunas; self-contained spas, namely, saunas having selectively engageable sources of ultraviolet light, infrared light, visible light, heated air, cooled air, steam, enriched oxygen, and vibration, and also structurally incorporating a shower, aromatherapy apparatus, gemstones, and crystals, and being capable of connecting to the internet; infrared saunas; infrared exercise rooms in the nature of infrared saunas that can be used for exercise ...