Other transparent tunnels led from different parts of the screen toward the center, with cross tunnels connecting them here and there.
This passage opened within a hundred paces into another large cross tunnel with an elevator directly in front of him.
It's all right down to the cross tunnel.
Leo and Pancho hurry, as well as they can, to the cross tunnel.
Pancho and Leo have successfully navigated the cross tunnel.
She turned, led the way down the passage, turning right into a wide cross tunnel lighted by evenly spaced yellow overhead globes.
We walked in silence for some time until we came to a cross tunnel.
He made his way down to the intersection between the cross tunnel and the side tunnel and peered cautiously around the corner.
Each platform is an individual tunnel, and are linked to the other platform in the same level by a number of cross tunnels.
Motioning Lonny to silence, he tiptoed to the cross tunnel and sniffed again.