Public art at Merkelpark und Villa Merkel museum in Esslingen, Germany - and elsewhere. Please allow camera and location services to view the artwork. Use headphones for best AR experience. BELLE is an interactive AR installation located in Merkelpark, Esslingen. Please go to the center of the park to experience BELLE's metamorphosis. Depending on your location, walking velocity and distance to AR's pivot point (the center of the park) you will modulate sound and transform AR elements. APHRO