Researchers Find a Hidden Drawing Behind 'Mona Lisa' | RealClearScience For the first time, research 16 years in the making has shown the Mona Lisa has an atypical, groundbreaking planning drawing ...
It is one of the most tantalising – and entertaining – puzzles in art, stretching from the Louvre to the Loire via, well, Norfolk. And our critic thinks he has just worked it out Increased security ...
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