Di Mainstone, artist-in-residence at Queen Mary University of London, has created a sound installation vest that turns bridges into instruments. She calls the vest the Human Harp — string-feeding discs that attach to a bridge’s suspension cables to make sounds based on angles and tension controlled by the wearer. The Harp was recently performed on New York’s Brooklyn Bridge.

I love how this piece combines music and movement to physically connect a person to his or her environment. What structures in your city inspire interaction?

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