On the Suchiate River dividing Mexico and Guatemala, it sure looks easy to cross north without papers.
A young, mustachioed man is pulling a makeshift raft across the quiet river via two ropes connecting the countries. The crossing costs 4 quetzales, 10 pesos or 50 U.S. cents. The raft captain says that nearby migration officials rarely intervene.
But the impression that Mexico is lax on migrants disappears as you head just a little north.