cityphoto
cityphoto
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11.13 21:27
(Poland) What is the purpose of the wire marked with the red line?
 | Saw a couple wires like this and I'm wondering what they're for. They go between the rail and the thing holding up the overhead lines. Sorry for low quality photo. [link] [comments] |
![[link]](https://i.redd.it/7had5jqqp01g1.jpeg){kind=link}