She took a tentative step into the concrete cube.

From the street, the station resembles a concrete cube.

On the other side, the Forum's four main meeting halls occupy a graduated row of gray concrete cubes.

You will want to go into the Glass Hall immediately, but first you ought to look at the fire stairs set between the concrete cubes.

A swipe of his tail can shatter a 20-foot concrete cube.

Looming ahead was a roadblock of heavy concrete cubes with a gap of approximately ten feet in the middle.

Off to the left of the metal building was a squat concrete cube.

David pointed to the concrete cube near the field office "First we have to get inside there."

There are no windows anywhere, just huge concrete cubes.

Along a road running right behind the dunes there was a concrete cube accessible only by a ladder leading down a hole in the roof.