The three-day event is held around Lake Zurich and the Limmat River and this year’s was the first to feature the use of lit up drones to project an enormous 3D image of a bird into the night sky.
The three-day event is held around Lake Zurich and the Limmat River and this year’s was the first to feature the use of lit up drones to project an enormous 3D image of a bird into the night sky.