09.08.2012, Pyongyang, Pyeongyang Jikhalsi, North Korea - View of the subway station Puhung. The subway network in Pjoengjang has only two lines and is said to be used by half a million people a day. The escalators lead partly more than one hundred meters deep underground and the stations serve as a bunker in case of war. 0SL120809D076CAROEX.JPG [MODEL RELEASE: NO, PROPERTY RELEASE: NO (c) caro images / Schuelke, http://www.caro-images.com, [email protected] - In case of using the picture for any purpose, please contact the agency - the picture is subject to royalty!]