The first panels of levee border wall are seen at a construction site along the U.S.-Mexico border last month in Donna, Texas. The new section, with 18-foot tall steel bollards atop a concrete wall, will stretch approximately 8 miles.

The first panels of levee border wall are seen at a construction site along the U.S.-Mexico border last month in Donna, Texas. The new section, with 18-foot tall steel bollards atop a concrete wall, will stretch approximately 8 miles.