These caravans make up only a small portion of the daily migration through Mexico toward the U.S. border. Most of these groups break apart after a few days, with migrants continuing their journey in smaller groups or with their families.

The Mexican government is rushing to raise tent cities for migrants deported from the U.S. Thousands of non-Mexicans now stranded in the country are overwhelming immigration officials as migrants continue to arrive from Central and South America.

More than 2,000 migrants from various countries began walking early Monday in southern Mexico hoping to reach the United States despite president Donald Trump’s threats of mass deportations and