There are desperate people who come up with some imaginative schemes to cross the national borders. They violate the immigration laws of the destination country.
The number of the illegal immigrant population in the United States is uncertain, and that's the reason there is a strict inspection. There are people who deliberately hide in cars and try to reach there, but they are caught by inspectors.
These photographs involve the illegal immigrants who got caught trying to sneak into the country in a weird condition.