2006 Cai Guo-Qiang / Deutsche Guggenheim / Berlin, Germany
'Head On' by Cai Guo-Qiang at the Deutsche Guggenheim in Berlin. The installation consists of 99 life-sized wolves, fabricated from painted sheepskins and stuffed with hay and metal wires, barreling in a continuous stream towards - and into - a glass wall. Only the first ones crash into it, but the pack chases after the leader.
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