Core Points - The U.S. Department of Homeland Security plans to paint the border wall black to increase the difficulty for illegal immigrants to climb over it, as requested by President Trump [1][2] - The current border wall is already designed to be very difficult to climb, with deep foundations making tunneling also challenging [1] - The U.S. government allocated $46 million for additional border wall construction, with the wall being extended at a rate of approximately 800 meters per day [2] Summary by Sections - **Border Wall Construction**: The border wall along the U.S.-Mexico border, approximately 3,200 kilometers long, has been a contentious issue since Trump's election in 2016, facing strong opposition [2] - **Funding and Expansion**: Recent legislation has provided $46 million for further construction, with current expansion efforts proceeding at a rate of 800 meters daily [2] - **Policy Changes**: Following Trump's return to the White House, there has been a significant tightening of border control policies aimed at combating illegal immigration, which has sparked widespread controversy and legal challenges [2]