Zhan Furui, at left, general director of the National Library of China, and Librarian of Congress James Billington, center, sign an agreement to cooperate in developing the World Digital Library as Cai Wu, minister of culture for the People’s Republic of China, right, looks on with John Van Oudenaren, far right, head of the WDL project for the Library of Congress. - Tony Brown/Imijphoto.com
