President Trump's doesn't envision the barrier at the southern border between the U.S. and Mexico to be made of concrete, but instead imagines it will be comprised of steel bollard fencing, spikes and painted black, reports the Washington Post.
Why this matters: The Trump administration is taking billions of dollars from military funds to quickly construct the border wall, and the president is tying to take control of every small detail, frequently changing his mind and leaving engineers, aides and officials befuddled, per the Washington Post.