11.   Children were raised collectively, spending much of their time in a house that was connected to the Mansion House by an underground tunnel.

12.   Earlier, Caddell had shown Corderman a photograph depicting the white smoke produced by the military tear gas rounds that Corderman fired at an underground tunnel outside Mount Carmel.

13.   Gophers, which travel via underground tunnels, make a fan-shaped mound of dirt.

14.   He sought permission to fire the military gas rounds because ferret tear gas rounds had already bounced off the plywood over the underground tunnels, Corderman testified.

15.   He was trapped until a security guard led him to the basement and through an underground tunnel to safety.

16.   In public statements, OSHA investigators have pointed to an underground tunnel for grain conveyor belts as the likely spot where the explosion originated.

17.   Indeed, the fact that it must build six-foot-high underground tunnels with skylights for migrating Blandings turtles that cross the site hardly fazed it.

18.   Magnetically levitated vehicles, fondly known to their boosters as maglevs, would travel either along above-ground tracks or through underground tunnels at astonishing velocities.

19.   Moreover, they suggested additional savings by laying track on the Austrian approach to the tunnel in less expensive open trenches, rather than running them through underground tunnels.

20.   Office workers did not have to go outside, since the buildings are connected by underground tunnels.