The frontier between the United States and Mexico is the busiest land border in the world. It is also among one of the world’s most heavily regulated and policed border zones—the arid climate of which is responsible for many migrant deaths each year.
But it’s also an area that occasionally lends itself to more cheerful pursuits. “Wallyball” is an annual tradition in the sister towns of Naco, Arizona, in the United States and Naco, Sonora, in Mexico. Read more.