At the very center of that great sunken circle, like a vast yet slender needle perched on its tip, was the control tower.

In case I didn't tell you, our Operations area is built in a sunken circular pattern, and we were in the middle of that sunken circle.

In the center of the hard-packed earthen floor was a sunken circle about six feet in diameter.

Joseph had once been a powerful, well-fleshed mouse, but now his cheeks were sunken and dark circles formed around his eyes.

Polly looked that way, frightened, and saw two sunken red circles of light peering out at her from the darkness.

My mother drove the short distance from the grocery store to the mall and led Buckley by the hand through the glass doors to a sunken circle where parents could leave their children to play while they shopped.

At the center of the room was a sunken circle lined with padded seats, and Kerwin saw them moving into the circle in an order that seemed familiar, predetermined.

His cab, driven by a middle-aged man with blackened front teeth and dark sunken circles beneath the eyes, had stopped on a suburban street where traffic was snarled by an accident up ahead.

In this pavement, ten sunken large circles were found.

The sunken circle seemed as bare, flat, and featureless as a military parade ground.