The ground they were running over seemed to be moving, too.
The very ground on which I stood seemed to melt under my feet.
The next thing I knew, the ground seemed to just blow up right from under me.
Even the ground seems to grow and move under your feet.
He kept looking into them until the ground seemed to come up and hit him in the face.
The ground seemed even and smooth on both sides of the road.
The ground under Jim's feet seemed to jump with the impact.
The ground seemed to give him support, it took his weight.
There seemed no common ground on which they could talk to one another.
Below her, the ground seemed to shift and fall away.