I knew we could dig under it, a shallow tunnel leading beneath the field, but I didn't know if we should bother.

The beetles live in shallow tunnels that they dig in damp soil around fresh and brackish lakes, rivers and ponds.

Gaaya got to his feet, forced to hunch over in the shallow tunnel.

All shallow tunnels, no deep probes.

It was built largely in shallow tunnels (see more at cut and cover) and is now part of the London Underground.

The first 4 km will be in a shallow tunnel, and the rest at the surface.

The weapon was designed to be used from a shallow tunnel dug under no man's land.

The southern approach ramp would have been built on the surface and in a shallow tunnel.

At either end of the tunnel proper, shallow qanat-like tunnels carried the water from the spring and to the town.

The Peanut tunnel is a relatively shallow and narrow tunnel.