Source: www.reddit.com

I did some cable hauling in AT&T Central Offices that have been in operation since the 40s / 50s in Chicago. I have seen some of the most fucked up rats nests in these places. Especially in locations like the one near Wrigley.

The server racks weren't too bad, but a few looked like this. The worst part was the racking up top for power and such. My god...

- rogeris