20140419140942-f3527.jpg Into the TunnelThumbnailsIn the Quarry (mod.)Into the TunnelThumbnailsIn the Quarry (mod.)Into the TunnelThumbnailsIn the Quarry (mod.)Into the TunnelThumbnailsIn the Quarry (mod.)Into the TunnelThumbnailsIn the Quarry (mod.)Into the TunnelThumbnailsIn the Quarry (mod.)
For full Resolution see Wikimedia Commons

CC-BY-SA-4.0: RalfHuels (photographer), Anja Arenz, Chris Kunz, Dossmo, Niamh, Paolo Tratzky, Svenja Schoenmackers