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As of January 2014, 190 metro systems in 54 countries are listed. The earliest metro system, the London Underground, first opened as an "underground railway" in 1863, and truly achieved metro status in 1890[citation needed] with the opening of its first electrified underground line. Continue reading to take an interesting look inside various subway cars from around the world.

This entry was posted on 04/04/2014 01:30am and is filed under Photography, Transportation, Travel, World News .
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