How does Isabel Allende use imagery in And of Clay Are We Created?

Example of Imagery:

In that vast cemetery where the odor of death was already attracting vultures from far away, and where the weeping of orphans and wails of the injured filled the air, the little girl obstinately clinging to life became the symbol of the tragedy.

First a subterranean sob rocked the cotton fields, curling them like waves of foam.