About three meters ahead, the tunnel ended in what appeared to be just another empty room.
But the tunnel suddenly ended, and we found ourselves at a low doorway.
The tunnel ended in a dead end against a rocky wall.
Where she reached the first level, the tunnel ended in a chamber just east of the main hall.
Finally the tunnel ended and her head popped up into clear air.
The tunnel ended in a concrete corridor within the building.
He came at last to the spot where the tunnel ended.
Then at last the tunnel turned, and ended abruptly in another heavy door.
They came at last into a strange little place, where the tunnel ended abruptly.
The tunnel ended in a circular room hundreds of feet across.