light rail close parallel lines through tunnel
<ul><li><a href="//commons.wikimedia.org/wiki/File:BSicon_vTUNNEL1.svg" title="File:BSicon vTUNNEL1.svg">BSicon vTUNNEL1.svg</a>: / derivative work: <a href="//commons.wikimedia.org/wiki/User:Useddenim" title="User:Useddenim">Useddenim</a></li></ul>
2010-11-06
Own work based on: <a href="//commons.wikimedia.org/wiki/File:BSicon_vTUNNEL1.svg" title="File:BSicon vTUNNEL1.svg">BSicon vTUNNEL1.svg</a>