"Fitch knew the pressure was enormous," one such passage begins.

Soon the passage began to go up again, and after a while it climbed steeply.

After what felt like an hour, the passage began to rise.

Greylock was encouraged to see side passages begin to appear.

Sequence effects occur when the simple passage of time begins to take its toll on people's responses.

Each passage begins with an invocation, many of which repeat.

After a drum fill an instrumental passage begins at 53 seconds.

The passage twisted round a few turns, and then began to descend.

The passage along which they hurried began to slope more and more.

Soon the passage began to glow with a light of its own, a light that came from the very walls.