According to the Norad Web site, four-and-a-half acres of connected chambers and tunnels were dug out for the complex.

Van Lyle led the way through the set of connected chambers that formed the control nexus for the Geotron.

The secret leads votaries by the nose through a maze of connected chambers, in each of which they must ante up.

That evening they had a big communal dinner in the four connected chambers that formed the largest room in the complex.

THE CATACOMBS The winding string of connected chambers is revealed to them only a few feet at a time as their torch lights the way.

After thoroughly examining the upper regions and the glacial level, we descended, story by story, into the submerged part, where indeed we soon saw we were in a continuous maze of connected chambers and passages probably leading over unlimited areas outside this particular building.

In it a system of connected black chambers, each inhabited by glowing crystal forms, interrupt the geometric rhythms of a red tile floor, all to powerful effect.

A womblike structure of connected interior chambers, it rejected the popular notion of a house as a rigid structure of boxlike rooms, each meant for a designated purpose.

They had been found in separated but connected chambers of an underground tunnel system.

And yet even with so many tunnels filled, the digger city was a vast network of connected chambers.