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Here are the basic details of the wall:

• It's 30 feet tall in most places.

• Its steel bollards are six inches wide and filled with concrete and rebar.

• The bollards are four inches apart, which allows Border Patrol agents to see into Mexico.

• A steel, anti-climbing plate tops the wall.

• The wall's foundation extends six to 10 feet into the ground.

• Fiber-optic cable in the ground can detect digging.

• LED lights next to the wall let agents and cameras see illegal activity at night.

• New or improved access roads help agents respond quickly.

• In most cases, the new wall replaces a variety of head-high barriers that were designed to stop smugglers from driving across the border.

• The wall is expected to last 30 years.

• The nearly 240 miles of wall planned for ÃÛèÖÖ±²¥ will cost more than $4.5 billion.

• The roughly 730 miles of border wall the Trump administration plans to build were funded by $10 billion from the Defense Department and $5 billion from Congress.