A sharp shooters operate in an anti-terrorism drill at the Three Gorges area in Yichang, central China's Hubei Province, Sept. 8, 2009. The drill got more than 800 members of armed policemen and firemen to attend. (Xinhua/Li Kaiyong)

Special policmen take part in an anti-terrorism drill at the Three Gorges area in Yichang, central China's Hubei Province, Sept. 8, 2009. (Xinhua/Li Kaiyong)

Armed policmen operate in an anti-terrorism drill at the Three Gorges area in Yichang, central China's Hubei Province, Sept. 8, 2009. (Xinhua/Li Kaiyong)

Policmen operate in an anti-terrorism drill at the Three Gorges area in Yichang, central China's Hubei Province, Sept. 8, 2009. (Xinhua/Li Kaiyong)

A "terrorist" is arrested in an anti-terrorism drill at the Three Gorges area in Yichang, central China's Hubei Province, Sept. 8, 2009.(Xinhua/Li Kaiyong)