A little-noticed surge across the U.S.-Mexico border: Americans heading south

(Luis Antonio Rojas/For The Washington Post)
SAN MIGUEL DE ALLENDE, Mexico —  Spanish friars brought the faith to this colonial city in Mexico’s central highlands. (Luis Antonio Rojas/For The Washington Post)
If the thousands of Mexicans moving home are taken into account, the flow of migrants from the United States to Mexico is probably larger than the flow of Mexicans to the United States. (Luis Antonio Rojas/For The Washington Post)
San Miguel de Allende is about 170 miles northwest of Mexico City on a mile-high plateau where the sunshine coaxes bougainvillea to erupt in blazing colors and spill over walls.

Source: www.washingtonpost.com