<p>Note directional arrow; the next stop is station M12, Yotsuya.
</p>
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<a rel="nofollow" class="external text" href="https://www.flickr.com/people/36217981@N02">Tim Adams</a>
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/36217981@N02/13154008063/">Signage on Marunouchi subway</a>