Three years after India and Bangladesh exchanged exclaves to simplify the world's most complex border, many who chose to move rather than to change their citizenship find that their prospects are not what they'd hoped.
San Luis, Arizona: A United States Drug Enforcement Administration official aims a flashlight down a 55-foot-deep drug-smuggling tunnel that spans a distance of nearly 240 yards under the U.S.-Mexico border. Drugs ran north, and weapons and cash ran south.
Hermosillo, Mexico: Central American immigrants walk to a soup kitchen for some much-needed sustenance after traveling by Mexican freight train—known among the caravaners as "the beast."