He pointed to the dark opening that had just been uncovered.
A dark opening at the surface of the river was disclosed.
A narrow path ran along one wall from where we stood to a dark opening on the other side.
The dark opening of the door was now but a few feet in diameter!
They looked along the line towards the dark opening of the tunnel.
The man went on until he saw the dark opening of a cave.
The creature pointed to a dark opening in the wall.
But it was good enough for them to see the dark opening which led to the outer world.
He pointed to a narrow, dark opening in the wall, with steps going up.
They both saw the dark opening in the earth at the same time.
