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Two people were killed when a subway tunnel under construction collapsed in Xi'an, capital city of northwest China's Shaanxi Province on Sunday. [CFP]
![Two people were killed when a subway tunnel under construction collapsed in Xi'an, capital city of northwest China's Shaanxi Province on Sunday. [CFP]](http://images.china.cn/attachement/jpg/site1007/20090803/000802ab80120be08d292a.jpg "Two people were killed when a subway tunnel under construction collapsed in Xi'an, capital city of northwest China's Shaanxi Province on Sunday. [CFP]")
