Migrant Caravan: Hundreds using secret convoys: A little-known town is being used to ferry migrants across the border between Guatemala and Mexico. Low security and regular people smuggling operations have made it a crossing point for thousands. Al Jazeera's John Holman reports from Gracias a Dios, Honduras. - Subscribe to our channel: http://aje.io/AJSubscribe - Follow us on Twitter: https://twitter.com/AJEnglish - Find us on Facebook: https://www.facebook.com/aljazeera - Check our website: https://www.aljazeera.com/ #AlJazeeraEnglish #MigrantCaravan #CentralAmerica