Even to the east it crossed lines of hills running north and south.

You take 400 men, keep behind the line of hills and hit them from the north.

To the left was a line of low hills with the river beyond them.

The sun had risen above the line of hills to the east.

Then, as his eye slid along the line of low hills to the east, he saw movement.

"From the time you crossed the line of hills, back there."

He looked towards the south, and saw that not too far away was a line of hills.

We seemed to be near land - a long dark line of hills rose on the horizon.

The girl was looking off at the line of hills.

They were walking towards a line of hills in the distance.