The narrow tunnel spans more than 800 yards but could be even longer because its route zigzags.

The opening on the U.S. side was discovered in a lot full of wood scraps in San Diego. Officials say the tunnel started in a home in Tijuana and had a fully functioning elevator leading into it.

The tunnel entrance on the San Diego side was just a small hole in the ground that was covered with a large dumpster.

Officials say tunnels are being used more and more to ferry drugs into the U.S. This discovery comes the same week border patrol agents found a much smaller tunnel that crossed the California-Mexico border.

This video includes images from the U.S. Attorney's Office.

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In this file photo from October 2024, Atlanta Braves outfielder Jorge Soler and teammates react after losing to the San Diego Padres 5-4 in San Diego. The Braves and Soler, who now plays for the Los Angeles Angels, face a lawsuit by a fan injured at a 2021 World Series game at Truist Park in Atlanta. (Jason Getz/AJC)

Credit: Jason.Getz@ajc.com