The move is expected to ensure a safe water quality at the lower reaches of the river.

Initial investigation shows the fire accident was due to malpractice of an electrician, who has been detained by police.

Police were forced to open fire in alarm. In the chaos, three villagers died.

The social welfare homes then had the infants adopted by foreigners who made donations.

Although everything is smooth so far, all scientific and technological staff need to be cautious.

The mission has accomplished the planned experiments and accumulated valuable technical data and experiences for the development of China's manned space program.