Map of Tokyo Metropolitan Bureau of Transportation (Toei) Lines. Derivation of <a href="//commons.wikimedia.org/wiki/File:TokyoSubway.svg" title="File:TokyoSubway.svg">File:TokyoSubway.svg</a>
<a href="//commons.wikimedia.org/wiki/User:Gorgo" title="User:Gorgo">Gorgo</a>
2009-12-19
<span class="int-own-work" lang="en">Own work</span>