Andrea, 14, brushes her hair. A man living across the railroad tracks offered up his house for people in the caravan to shower or wash their hair while the train stopped briefly. Mazatlán, Oct. 23, 2017.

Andrea, 14, brushes her hair. A man living across the railroad tracks offered up his house for people in the caravan to shower or wash their hair while the train stopped briefly. Mazatlán, Oct. 23, 2017