Province to preserve chalk message (Reuters)

China's President Hu Jintao visits the quake-hit Gyegu town of Yushu county, Qinghai province April 18, 2010. REUTERS/StringerReuters - Chinese experts are working to permanently preserve a chalk message written by President Hu Jintao this month at a school for survivors of a deadly quake in the remote Tibetan county of Yushu.