Believe it or not, progress is being made on a border wall with Mexico, and U.S. Customs and Border Protection on Tuesday even provided video and a press release to announce that construction of eight prototypes was underway.

According to the CBP, four of the prototypes will be made of concrete, while the other four will be constructed of alternate or “other materials.” The prototypes will be between 18 and 30 feet high and are expected to be completed within a month.

Todd J. Gillman of the Dallas Morning News reports that, as he’s said, President Trump, as head of the executive branch, has the authority to direct an agency to award a contract to a particular bidder, so the winning design might be chosen by the president himself.

Gillman reports:

Trump’s startling revelation of a hands-on approach to the wall came at the same Alabama campaign rally at which he railed against NFL players who don’t stand for the national anthem. Those attacks overshadowed lengthy comments on the border wall.

“We are looking at four different samples built by four great companies, four different concepts. They’re just about completed,” Trump said. “I’m going to go out and look at them personally and pick the right one.”

Trump said he wants a “see-through” wall to allow Border Patrol and other authorities to see smugglers and potential border crossers. The Homeland Security Department has expressly sought visibility through the barrier as a design element. But Trump seemed to say he wants the entire structure to be see-through.

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