A protester holds a mask during an anti-war and anti-U.S. rally, demanding for a negotiation between the U.S. government and the Taliban for the safe return of South Korean hostages in Afghanistan, in front of the U.S. embassy in Seoul August 1, 2007. Afghanistan's Taliban set a fresh deadline of 0730 GMT Wednesday to free prisoners of the insurgent group in exchange for the lives of 21 South Korean hostages, a demand the Afghan government has rejected. (Reuters)

我要看更多精彩图片