Matthew Barney. Holographic Entry Point, 2005. Self-lubricating plastic, polycaprolactone thermoplastic, shrimp shells, sea shells, cement, wood, steel, stainless steel, expanded polystyrene, vivac, pigment, acrylic paint, acrylic medium, sand, aquaplast, PVC. Installation at the Serpentine Gallery, London. Photograph © Hugo Glendinning