Ventilation shaft on tunnel light rail track stretch
<ul><li><a href="//commons.wikimedia.org/wiki/File:BSicon_utVNT.svg" title="File:BSicon utVNT.svg">BSicon utVNT.svg</a>: *<a href="//commons.wikimedia.org/wiki/File:BSicon_utBST.svg" title="File:BSicon utBST.svg">BSicon utBST.svg</a>: <a href="//commons.wikimedia.org/wiki/User:Axpde" title="User:Axpde">axpde</a></li></ul><p>derivative work: -- <a href="//commons.wikimedia.org/wiki/User:Tuvalkin" title="User:Tuvalkin">Tuválkin</a> <a href="//commons.wikimedia.org/wiki/User_talk:Tuvalkin" title="User talk:Tuvalkin">✉</a>
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<ul><li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Tuvalkin" title="User:Tuvalkin">Tuvalkin</a></li></ul>
Own work based on: <a href="//commons.wikimedia.org/wiki/File:BSicon_utVNT.svg" title="File:BSicon utVNT.svg">BSicon utVNT.svg</a>: <a href="//commons.wikimedia.org/wiki/File:BSicon_utVNT.svg" class="image"><img alt="BSicon utVNT.svg" src="https://upload.wikimedia.org/wikipedia/commons/thumb/1/1f/BSicon_utVNT.svg/48px-BSicon_utVNT.svg.png" decoding="async" width="48" height="48" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/1/1f/BSicon_utVNT.svg/72px-BSicon_utVNT.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/1/1f/BSicon_utVNT.svg/96px-BSicon_utVNT.svg.png 2x" data-file-width="500" data-file-height="500"></a>