caption: In this Saturday, Oct. 14, 2017 photo, members of the Zapatista National Liberation Army (EZLN) arrive on horseback to escort <PERSON>, presidential candidate for the National Indigenous Congress, campaigning in the Zapatista stronghold of Guadalupe Tepeyac in the southern state of Chiapas, Mexico. <PERSON>, who has no electoral machine and was essentially unknown until she was named the candidate for the National Indigenous Congress in May, gathered 4,734 signatures, more than a major state governor, a former legislator and 44 others trying to get on the ballot. (AP Photo/ <PERSON>)
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