Two mail carriers prepare to deliver books on health and hygiene in the Songyuli neighborhood in Beijing, capital of China, on March 22, 2008. The Beijing municipal government has decided to send free books on health and hygiene to 5 million families in Beijing by the end of March. (Xinhua/Zhang Aidong)

A mail carrier delivers books on health and hygiene to a family in the Songyuli neighborhood in Beijing, capital of China, on March 22, 2008. The Beijing municipal government has decided to send free books on health and hygiene to 5 million families in Beijing by the end of March. (Xinhua/Zhang Aidong)

A resident reads a book on health at her home in the Songyuli neighborhood in Beijing, capital of China, on March 22, 2008. The Beijing municipal government has decided to send free books on health and hygiene to 5 million families in Beijing by the end of March. (Xinhua/Zhang Aidong)

(Xinhua News Agency March 24, 2008)