Spas often have a wide range of facilities, from pools to saunas. Art is usually part of the decor, but it is quite rare to see the two merged into one facility. But at Sweden’s Djurönäset spa, an interactive art installation is part of the experience. The upplevelsdusch, or “next level shower,” lets its users experience the ever-changing weather of Scandinavia. The shower provides three preprogrammed experiences, representing the Nordic spring, summer, and autumn. It achieves this by releasing combinations of hot and cold water streams, accompanied by mist, changing…