Windswept is an installation designed by American artist Charles Sowers on the façade of the Randall Museum in San Fransisco. Hundreds of spinning blades reveal the invisible patterns of the wind. It consists of 612 rotating aluminium weather vanes mounted on the outside wall of the museum. If the wind hits the wall, the aluminium blades spin independently, indicating the localised flow of the wind and the way it interacts with the building.
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