A man buys books in front of a low-carbon-themed bookshelf in Beijing Book Building in Beijing, China, April 27, 2010. A collection of books in the theme of low carbon and environment protection here is welcomed by the public recently. (Xinhua/Chen Xiaogen)
Two women read books in front of a low-carbon-themed bookshelf in Beijing Book Building in Beijing, China, April 27, 2010. (Xinhua/Chen Xiaogen)
A mother shows a book to her child in front of a low-carbon-themed bookshelf in Beijing Book Building in Beijing, China, April 27, 2010. (Xinhua/Chen Xiaogen)
