Finally, Cross saw the city, making a strange, shimmering picture under its vast roof of glass; then a second city, showed, and a third.

The vast roof trembled and a foot-wide crack opened.

When they got to the top of the cable there was another tunnel, this one piercing the vast gray roof.

His penthouse, a small structure, stood on the edge of a vast roof landscaped as a garden.

Only a small portion of what had once been a vast roof remained, at one corner.

These at one time had supported a vast roof; now of roof there was none and the walls were but dreams of the far past.

Through the huge windows, the vast roofs of Commercial City panorama'd widely in industrial haze.

The company is also building a vast roof to cover the mounds of dirt now believed to have been the prime source of lead dust.

We approached each other under the vast roof, like two people meeting on a railway station, the last train gone.

Great shadows leapt up and fled, and for a second or two they saw a vast roof high above their heads.