from The Guardian -

Global touring takes its toll on Picasso picture
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Oops! There goes another Warhol - the art that can't be moved
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from CultureGrrl -
Guernica's Condition: Robust or Fragile?
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The limits placed on the protection of artwork during travel and transfer have always been issues of resources and contestation of wills. Using scientific methods and studies to justify the refusal of a loan may in turn engender the use of advances and innovation in technology to counter objections to the loan. This cycle of ever-increasing elaborate technical solutions does nothing to address the imbalance and complexity of power relations between institutions whenever a loan is initiated.
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