We seem to be heading for an immense plain, which may make landing easier.

They find themselves on an immense barren plain, with no other people anywhere, and no clue as to what has happened to the world.

About two o'clock they came to an immense barren plain, without a sign of vegetation.

Immediately, what might be called the exodus from the immense plain began.

All the land bordering the ice was an immense grassy plain.

It occupied a part of the immense plain.

It is thought to be an immense plain of dark material.

And, with that, he stepped out once more across that immense, populated plain.

The Captain rose, cast one last look on the immense plain, and then bade me follow him.

The view in all directions is an immense featureless flat plain of snow and ice.