Carefully assembled from private collections, the exhibition made a firm statement against the conservatism of public gallery culture of the same period.

BBC: A Point of View: The art of collecting

The Kunsthal's alarm system went off shortly after 3 a.m. local time, alerting the exhibition hall's private security detail.

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An exhibition by Joe Peacock called "Art of Akira" will showcase the world's largest private collection of original cells, original paintings and drawings from the famous Japanese anime film.

CNN: STORY HIGHLIGHTS

The Stingel exhibition at Palazzo Grassi is a mix of artwork belonging to Pinault, Stingel and a few other private collectors.

WSJ: Collecting Art With Fran?ois Pinault

Of the 71 paintings in a new exhibition in London, 21 come from his native Copenhagen, 15 from other Scandinavian collections and 20 from private collections, principally Danish.

ECONOMIST: The mysterious paintings of Vilhelm Hammershoi