>>1283203It's the biggest freight terminal in Madrid.
https://es.wikipedia.org/wiki/Estaci%C3%B3n_de_Madrid-Abro%C3%B1igalIt has connections to the rest of Spain, and it's where the China-making-sure-we-know-they-have-Spain-grabbed-by-the-balls freight train ends its journey.
There's a park right in front of it with a nice panoramic view, where the pic was taken from. It was really fun going there back in the day and seeing all the variety we had in our railways. Now it's all multiple units and fucking AVEs, and TRAXX (253) on the freight side. Hell, I was lucky to catch a 252 pulling a Talgo a couple days ago.