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Acropolis's caryatid beauties get laser scrub

The caryatid statues, which until the late '70s propped up a section of the Erechtheion temple on the Acropolis in Athens, are being meticulously cleansed of grime inside the Acropolis Museum. Conservators zap away dirt from the marble maidens with custom-designed lasers, as tourists watch the operation on monitors.

Visitors stroll amid laser cosmetic work on 2,500-year-old marbles