Ah yes, that's very important. Gotta make sure the wall meant to divide two countries doesn't look unwelcoming and cold to the great american children who Donald Trump saved from the evil, savage rapists he totally doesn't hate or who he totally didn't force to pay billions of dollars and impose sanctions when they refused.
Now if only we could invent some sort of a sound barrier to prevent the protesters and human rights activists complaints from the other side from reaching their ears…