Art installation made from 5,000 bicycle bells sings with the wind in the Netherlands. In this project called Sound Architecture IV made from 5,000 repurposed bicycle bells set on steel pins, as the wind picks up, the bells gently ring against one another, lending a visual and auditory component to invisible breezes. http://inhabitat.com/sound-architecture-iv-art-installation-made-from-5000-bicycle-bells-sings-with-the-wind-in-the-netherlands/