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Stock Photo - Seoul, South Korea - April 23, 2011: Inside view of the Metropolitan Subway in Seoul, one of the most heavily used underground rail systems in the world, service 8 million passengers daily.
Seoul, South Korea - April 23, 2011: Inside view of the Metropolitan Subway in Seoul, one of the most heavily used underground rail systems in the world, service 8 million passengers daily.
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Image ID : 13021395
Image Type : Stock Photo (Editorial image)
Copyright : SUNG KUK KIM
 
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