No one can stay in a brutal, bloodstained place.

From now on, when we board, each time we board, I will remind you to be terrified,' she says. 'And you remind me, too: this is not normal.''This is not normal.' Soledad nods.

Lydia is constantly reminded that her education has no purchase here, that she has no access to the kind of information that has real currency on this journey. Among migrants, everyone knows more than she does. How do you find a coyote, make sure he's reputable, pay for your crossing, all without getting ripped off?

The sky is scrubbed fresh and stark blue by the gone rain, but every trace of that water has evaporated from the earth around them. It feels like a dream, all that rainfall. 'This is a cycle,' she thinks. Every day a fresh horror, and when it's over, this feeling of surreal detachment. A disbelief, almost, in what they just endured. The mind is magical. Human beings are magical.