Your graphic:
I think yellow portions only keep out VEHICLES..?
I don’t know well but I think some of the red portions are slat or corrugated aluminum fencing.
Do you know..?
But hey, if all of that in your photo is formidible fencing then I say GREAT..!
I think yellow portions only keep out VEHICLES..?
From the website where I shamelessly stole the image:
The U.S.-Mexico border fence system today. Pedestrian fence is colored dark orange, vehicle fence in light orange.
CREDIT: REVEAL RESEARCH, U.S. CUSTOMS AND BORDER PROTECTION, OPENSTREETMAP, ALLISON MCCARTNEY
Typical pedestrian fence:
Typical vehicle fence: