
Hidden portrait 'found under Mona Lisa', says French scientist - Perados
http://www.bbc.com/news/entertainment-arts-35031997
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meesles
As someone else pointed out before, this was probably nothing noteworthy.
Artists always make multiple layers and improve upon a base, this is just
standard technique. This isn't some Da Vinci Code hidden Illuminati story.

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wavefunction
They also reuse canvases because they tend to be poor and hey, they've already
got this perfectly serviceable canvas sitting around with something they don't
care about.

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mariuolo
Couldn't they be pentimenti?

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bammmmm
pics or it didn't happen (i mean the real layer back light see-through stuff).

preferably before and after substraction of what can be seen without the
backlighting..

