Our AwesomeAcoustic Structure of the week is Thilo Frank's Ekko, in Denmark. This timber-made structure is in fact an instrument in itself! Here's how it works: https://www.dezeen.com/2012/10/29/ekko-installation-by-thilo-frank/
‘Vertical Skip’ by Thilo Frank is a dynamic sculpture designed to reflect the movements of the viewer. Always in flux, its dazzlingly luminescent wires morph it into an exploration of space, light and motion.