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Migrants risk life and limb to work in U.S.

According to a local migrants organization, thousands of Central Americans - predominantly from Honduras, El Salvador and Guatemala - cross Mexico's southern border into the U.S. every year on a train popularly known as "the train of death," during which many die or get seriously injured falling off from crowded trains.

Related video: The flip side of immigration: Experience what it's like to be deported, from the plane and bus rides to thoughts of leaving loved ones behind and heading to a birth country that may not feel like home.