Deep beneath our feet lies a maze of tunnels, crypts, secret passages, large and small pipes, cables, each layer added over the centuries dependent on current needs. For most of us we would only consider water pipes from the bathroom, utility wires, sewage. Our ancestors needed secret ways to travel undetected, our enemies wanted places to hide.

Jim looked down at the blueprint of the basement, the house renovation had taken far too long. The cellar in the right hand corner didn't seem to exist anymore all he could find was a rusty metal trunk full of strange photos, black and white adventures of the first house owner he presumed.

He tried not to think too hard about yesterday's experience when he felt the concrete under his feet tremble, the pickaxe he was holding fell with a loud clang and disturbed a brick in the wall. Going closer he thought he heard voices in Latin he recalled from Mass. Marching of feet. His first thought was Romans walking to war. Then silence. Apart from the loud thump of his heart.