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A security guard watches as a train runs through a station on the subway Line 5 which is still under construction in Beijing, April 28. This subway line employs more security measures and will start a trial run for passengers on June 30 this year.

The interior of a train which will run on the subway Line 5 in Beijing.

Security guards and journalists look around at a station on the subway Line 5 which is still under construction.

(Beijing Times April 30, 2007)