1.   Here a group of small hills rises unexpectedly out of the flat plain.

2.   The valley from the hill to the massif was all flat plains covered with elephant grass.

3.   The wide coastal belt is a flat plain, partially wooded.

4.   Once waves have been generated, gravity is the force that drives them in a continual attempt to restore the ocean surface to a flat plain.

5.   This wide coastal belt is a generally flat plain, only partially wooded, containing little building stone.

6.   A market town, Carroll was laid out by the railroads midway between Des Moines and Omaha, where the flat plains give way to rolling hills.

7.   Children grew up and left for the outside world, wanting more than flat plains and insular hope.

8.   In this series, the texture of the north polar ice cap, top, is in a region of low flat plains.

9.   Ms. Lan said the aircraft had been descending over a flat plain.