The show has already broken visitor records in Cologne.
The Brooklyn Museum has put on display a sculpure by Michael Ricards, who had his studio in the World Trade Center.
The ancient bronze was only returned to Greece last year.
Apertura Madrid Gallery Weekend, organized by Arte Madrid, gets into full swing today. Here are six standout solo exhibitions now on view in the Spanish capital.
A work by Tom Wesselmann has the highest estimate in 'Modern & Contemporary Art' auction at Phillips New York on September 26.
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