The works came to the Met from the artist's daughter.
The show opens today in central London.
The architect is already working on the expansion of New York's Metropolitan Museum of Art.
This year, Warsaw Gallery Weekend and WGW+ features more than 60 exhibitions across the Polish capital. Here are six standout solo shows now on view.
A work by Pierre-Auguste Renoir has the highest estimate in 'Modern Day Auction' at Sotheby's Hong Kong on September 29. The total pre-sale estimate is $8.55m (HKD67.05m).
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