That underlines a message Avila-Villegas wants people to understand: "It's a wall. It's not a fence."
It's a wall that not only blocks animal migration and destroys habitat. Its furious dust-raising construction causes air and water pollution. It also diverts rivers and floodwaters.
Ah, but does it divert migration of Mexicans entering our nation illegally? In some cases, yes. In other cases, a medieval device called a ladder foils Washington's greatest designs. ::MORE HERE::