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Yellow Metro Subway with Open Door in Berlin, Germany Editorial Photo - Image of gate, metro: 199047786
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A bright yellow metro train departs from the platform and rushes along the metro bridge in Kyiv to the left side of the city Stock Photo - Alamy
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Iconic' yellow colour scheme chosen as final design for new £362m Tyne and Wear Metro trains - Chronicle Live
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Lighting improvements at three Metro stations to impact Yellow and Blue Line service January 12-13 | WMATA
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