A visitor admires the Picasso engravings at the National Museum of China in Beijing, March 1, 2014. As a part of a series of memorial activities to celebrate the 40th anniversary of China-Spain diplomatic ties, the Suite Vollard Engravings by Picasso, regarded as the acme of 20th century's engravings, opened to the public on Feb 28, 2014. [Photo/icpress.cn] |