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Sotheby's Impressionist And Modern Artworks Sale Preview

LONDON, ENGLAND - JANUARY 28: A piece of work entitled Sunflower Seeds, by Ai Weiwei is displayed at Sotheby's Auction House on January 28, 2011 in London, England. The piece makes up part of Sotheby's major sale of Impressionist and Modern Art, and Contemporary Art, and is estimated at approximately 80,000-120,000 GBP, when it goes on sale on February 1, 2011 at Sotheby's Auction House in London. (Photo by Dan Kitwood/Getty Images)

UK's Tate buys 8 million Weiwei sunflower seeds

Britain's Tate gallery has bought a work by Chinese artist Ai Weiwei made up of 8 million porcelain sunflower seeds — a portion of the 100 million he brought to London in 2010.