Man-made barriers cover only about a third of the border.
Some border fencing is made from helicopter landing mats.
Trump now says his ‘big, beautiful wall’ can be made of steel.
The wall prototypes have gone by the wayside.
The idea of border barriers didn’t start with Trump.
Contractors are already working on hundreds of miles of construction.
Soon we’re actually going to see a wall built in a new section of the border.
The administration wants $5.7 billion to pay for 234 miles of construction.