BBC – Kelly Grovier traces the pigments that make up hidden layers in masterpieces – some of them toxic – from Picasso and Hokusai’s Prussian Blue to Vermeer’s shade of red. – read more
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BBC – Kelly Grovier traces the pigments that make up hidden layers in masterpieces – some of them toxic – from Picasso and Hokusai’s Prussian Blue to Vermeer’s shade of red. – read more