Parthenon Marble: Scientists still puzzled by stain on centaur's head despite intensive analyses greekcitytimes.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from greekcitytimes.com Daily Mail and Mail on Sunday newspapers.
For nearly two centuries, a baffling brown stain on the Parthenon's marble sculptures has puzzled archaeologists. Now, after extensive scientific analysis, the enigma deepens!