In the darkness his hand encountered a bare stone wall, cold to the touch.
Then her hands encountered the cool steel of the security door.
As she did so her hand encountered something hard and rectangular under the mattress.
His hand encountered the edge of what seemed a cliff.
Two more windows - then his hand encountered a frame that did not mark a window, but a doorway.
The only thing that his hand encountered was a telephone.
But when he stepped forward, his outstretched hand encountered glass.
Instead, his hand encountered a glass bowl facing away from him.
On the second pass, her hands encountered something hard.
At long last, his hand encountered the end of the aqueduct.