Save the Children. Open the Border

They call it “La Bestia” (“the beast”) or “el tren de los desconocidos” (“the train of the unknown”). Every year, an estimated 400,000 to 500,000 immigrants, as many as 1,500 per day, climb on top of trains and travel from their countries of origin—mostly Guatemala, Honduras, Nicaragua, and El Salvador—and through Mexico in an effort to reach the United States.