Hangzhou Metro Line 1 icon
<p><a href="//commons.wikimedia.org/wiki/User:Siyuwj" title="User:Siyuwj">Siyuwj</a>
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<ul><li>derivative work: <a href="//commons.wikimedia.org/wiki/User:ASDFGH" title="User:ASDFGH">ASDFGH</a></li></ul>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>