There is an entire subterranean world under the streets of every big city and we want to bring it to light today with this gallery of underground scenes from the Flickr community. If you are a commuter, you are probably going to love it, so be sure to visit the full gallery here and share your photos and stories with us in the comments section.

Subway Photography
Vous m'aviez chuchoté quelque chose, mais quand je me suis retourné, vous n'étiez pas là // You whispered something to me, but when I turned around, you weren't there.
Roma subway
Apero Metro
Empty subway
Montreal Underground:  Victoria Square
Underground Jump !!!