Trump said a transparent solar wall is needed. The cost of theft and vandalism of the solar cells which would be on the Mexican side is an issue. Trump could force Mexico to pay for those costs in addition to the wall itself. Trump could build a second wall to protect the solar wall and make Mexico pay for that too.. Trump could have blood tests and a spinal tap to determine if he has neurosyphylis and have Mexico pay for it. Trump Wants a “Transparent” Border Wall to Prevent Injuries from Falling “Sacks of Drugs” That way when cartels “throw the large sacks of drugs over,” Trump says, agents can see them. by Maya Kosoff July 13, 2017 5:35 pm Trump Wants a “Transparent” Border Wall to Prevent Injuries from Falling “Sacks of Drugs” "The wall needs to be see-through, the president continued, because drug dealers may otherwise throw large bags of drugs over the wall to the other side, and hit innocent passers-by. “As horrible as it sounds, when they throw the large sacks of drugs over, and if you have people on the other side of the wall, you don’t see them—they hit you on the head with 60 pounds of stuff? It’s over,” he added. “As crazy as that sounds, you need transparency through that wall. But we have some incredible designs.”"