underground crossing tunnel
<ul><li><a href="//commons.wikimedia.org/wiki/File:BSicon_utKRZ.svg" title="File:BSicon utKRZ.svg">BSicon utKRZ.svg</a>: <a href="//commons.wikimedia.org/wiki/User:Axpde" title="User:Axpde">axpde</a></li></ul>
derivative work: <a href="//commons.wikimedia.org/wiki/User:Tuvalkin" title="User:Tuvalkin">Tuvalkin</a>
2013-05-04
Own work based on: <a href="//commons.wikimedia.org/wiki/File:BSicon_utKRZ.svg" title="File:BSicon utKRZ.svg">BSicon utKRZ.svg</a>: <a href="//commons.wikimedia.org/wiki/File:BSicon_utKRZ.svg" class="image"><img alt="BSicon utKRZ.svg" src="https://upload.wikimedia.org/wikipedia/commons/thumb/7/70/BSicon_utKRZ.svg/48px-BSicon_utKRZ.svg.png" decoding="async" width="48" height="48" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/7/70/BSicon_utKRZ.svg/72px-BSicon_utKRZ.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/7/70/BSicon_utKRZ.svg/96px-BSicon_utKRZ.svg.png 2x" data-file-width="500" data-file-height="500"></a>