Imagens do Dia: Trens e Ferrovias

https://www.flickr.com/photos/35110249@N05/4115183250/in/album-72157613448787093/
http://twistedsifter.com/2014/05/overgrown-railwaiy-petite-ceinture-paris/
http://www.adrianthysse.com/category/railway/
https://www.flickr.com/photos/k2ski/73621671/in/pool-41075027@N00/
https://www.flickr.com/photos/38136824@N08/5224290766/
https://www.flickr.com/photos/mrsuperpants/95110988/
https://www.flickr.com/photos/ishowerinmypants/9502818551/