RE: The fence will begin just west of the Santa Teresa port of entry and run 20 miles west.
Well, there ya go, it’s not a Wall, it’s a freaking FENCE.
For those of you in Rio Linda, the bollard fence walls off the Mexican desert at the border with the USA
Although enlightenment is probably to be rejected, you should go to Google Earth and observe the terrain for the roadless desert between 0 and 20 miles west of El Paso