![A staff member introduces a rescue helicopter model to visitors during the 11th China International Exhibition on Transport Technology & Equipment (CHINA TRANSPO 2012), Beijing, May 15, 2012. [Photo/Xinhua]](U429P886T1D15158F14DT20120516153839.jpg "A staff member introduces a rescue helicopter model to visitors during the 11th China International Exhibition on Transport Technology & Equipment (CHINA TRANSPO 2012), Beijing, May 15, 2012. [Photo/Xinhua]")
A staff member introduces a rescue helicopter model to visitors during the 11th China International Exhibition on Transport Technology & Equipment (CHINA TRANSPO 2012), Beijing, May 15, 2012. [Photo/Xinhua]
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