Counts heartbeats

The ruins of the city were eerily quiet. To the
human ear all that would have been apparent was the
sound of the wind and of a single solitary voice
wailing with the sound of inconsolable grief.

With his special hearing, Clark should have heard
the heartbeats of tens of thousands of people. Instead
all he heard was the sound of less than two thousand
heartbeats, scattered throughout the rocky landscape.
Those heartbeats he did hear were muffled and
strained. Some were already slowing and stuttering to a halt

Pgs. 114-115