From one of those 'brief' columns in Kathimerini:

The Culture Ministry has refused to lend the Louvre Praxitelis’s famous sculpture “The Ephebe of Marathon” for inclusion in an exhibition dedicated to the ancient Greek sculptor, stressing that the artifact is on a list of works that cannot be moved. The ministry’s Central Archaeological Council decided to refuse the French museum’s request on January 23 on the grounds of this list, Culture Minister Giorgos Voulgarakis said. Voulgarakis’s French counterpart Renaud Donnedieu de Vabres had earlier described Greece’s refusal as “very sad.”

... hmmm ... so they can designate some items as 'not being able to be moved' ... interesting implications of that in regards to assorted antiquities disputes and promises tied thereto, no?

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Al Schlaf adds:

Now, let me get this straight.

As I read earlier, Greece refuses to co-operate with the Louvre's Greek sculpture exhibition if they show the Cleveland Apollo. The Louvre caves to that demand. Now, that having been done, Greece says the Ephebe of Marathon cannot be moved to be part of the exhibition.

Whiskey

Tango

Foxtrot?

I think I need to go back to my Greek composition textbook and figure out just how one says "How to win friends and influence people" in ancient Greek.