Get close to the ground and colorful layer on the reverse side , without disturbing the other painting , which is on it ( back) is , it seems almost impossible. Sometimes , a canvas is separated from the soil by moisture, but again, in your case it painless for the back of the painting it will not pass . Especially, any other mechanical separation of the canvas from the soil and red . the layer.
I think this is impossible in principle. Unless it's two separate tightly glued together the canvas. Then everything would be much easier. And so , it seems , has not yet invented a way to evenly separate threads of the canvas into two halves. In any case, the restorers is not available (though not sure about the Chinese

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Цитата:
Сообщение от Santa; 1819873"
From the viewpoint of exhibiting these things are placed in the so-called " windows " that would review was carried out with 2 sides
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That's right. And if any pleasure expensive, have to decide - which party is more important for the audience or to demonstrate the two sides alternately .