Kelemvor yelled in surprise, and a wall of dust rushed toward him.

Or perhaps the river would rise-a wall of water could be rushing downstream toward us at that very moment.

The walls of the tunnel rushed by, a blur now.

A gigantic, dirty brown wall was rushing at him with terrifying speed.

The gray concrete wall rushed past them as they free fell down the side of the shaft.

The wall was not rushing towards them with quite the same sense of inevitability.

In the distance, but not so very far away, a dark wall rushing toward them.

A wall of heat rushed towards him from the inside of the vehicle as he stared within.

He gaped in astonishment as the wall of dirty wind rushed forward.

The walls rush back and an arm catches him.