1854-built <a href="https://en.wikipedia.org/wiki/Connecting_Line" class="extiw" title="w:Connecting Line">w:Connecting Line</a> in Saint Petersburg
Unknown author<span style="display: none;">Unknown author</span>
<a href="//commons.wikimedia.org/wiki/File:Peterburg_railway_junctions%3F_early_1880-ies.png" title="File:Peterburg railway junctions? early 1880-ies.png">File:Peterburg railway junctions? early 1880-ies.png</a>