the hardest part was clamping it down over his head . on the water 's surface he saw reflections . each person knew what they were to do , and they each acted without saying a word . so when she spoke , she forced herself to be pleasant . he followed the length of the trough to the east where it sank beneath the wall and disappeared into a thin hole . do you know how you came to be here ? for some reason , it made her nervous . 