The snow is steadily growing deeper, as if the ground were sinking, pulling him in.

The ground is sinking beneath it, so that in many places porches have fallen away.

To their left the ground sank away among trees, and a lake could be seen not far off.

Below, the ground sank even more sharply though it was still tree-covered.

In the center of the street the ground had sunk away.

Matt looked down and saw the ground sinking away... But not very far.

Did Freud come to tower in contemporary art, or did the ground around him sink?

Soon the ground sank lower as they entered the depression.

He noted that the ground sank rapidly away within several steps of his present position.

Second is the fact that the ground in the area is sinking at about the same rate.