In one disused garage, littering the floor, we found foil-covered plastic water bottles, used for smoking crack cocaine, and tell-tale slivers of silver foil used for smoking heroin.

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He ripped open the silver foil bag and started munching.

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Then, as soon as plastic trays and silver foil have been spirited off to kitchen quarters unknown, our attendant transforms our chairs into two neat - if narrow - bunks, fitted with crisp white sheets and jaunty tartan blankets.

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Hickenlooper gets the atmosphere of apocalyptic listlessness right the silver-foil walls, the overstuffed thrift-shop furniture, the people sitting around, some naked, some shooting up, with Warhol making himself available for an instant to anyone outrageous enough to grab his attention.

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It is made of gold-plated silver, but the jewels were fakes, with the stones around the bottom rim made from coloured glass and a foil backing.

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