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Special Report: President Hu visits Denmark, attends G20 Summit in Los Cabos, Mexico
The depth of the pit was not immediately known, said a rescuer with the local fire brigade. "But we cannot see the bottom of the pit with naked eye."
The National Commission for Disaster Reduction and the Ministry of Civil Affairs have dispatched teams to help with relief work.
The accident occurred at the construction zone of Baihetan Hydropower Station of China Three Gorges Corporation in Ningnan county, Liangshan Yi autonomous prefecture, on June 28.
Shenzhou-9 spacecraft, carrying two males and one female, will break new grounds for the country's space missions.
来源：资阳报