How is the setting at a Spanish railroad crossing appropriate to the theme?

The two
people seem to be in the middle of nowhere. The hot, barren setting with the bleached mountains
in the background is nearly surrealistic. This is a junction. They are waiting to transfer to
the train to Madrid.

It was very hot and the express train
from Barcelona would come in forty minutes. It stopped at this junction for two minutes and went
on to Madrid.

This information adds drama and suspense
to the story. It provides what editors call a "ticking clock." Time is of the essence.
Once they board that train to Madrid they are committed to doing what they have been talking
about--finding an abortionist in Spain's major city, where they have the best chance
of...