Passengers take a look at housing advertisements on a newly-opened subway line linking China's commercial hub of Shanghai with Kunshan City of east China's Jiangsu Province, Oct. 16, 2013. The six-kilometer extension of Shanghai Metro Line 11, which is China's first trans-provincial subway line and links the country's commercial hub of Shanghai with Kunshan City in neighboring Jiangsu Province, opened on Wednesday. (Xinhua/Chen Fei) |