Border wall prototype construction wrapping up. Contractors working on the border wall prototypes have a week to finish their models.
It looks like there will be 8 prototypes in all.
Drone Footage Reveals A First Look Of Trumps Border Wall Prototypes
http://www.zerohedge.com/news/2017-10-18/drone-footage-reveals-first-look-trumps-border-wall-prototypes
http://www.10news.com/news/border-wall-prototype-construction-wrapping-up
So far I like the one that you can see through at bottom but solid in top to prevent climbing. Actually all the wall prototypes look awesome and any would work.