LOOK: Prototypes for Trump's border wall displayed in California

This week, we got our first look at prototypes for President Donald Trump's proposed wall along the U.S.-Mexico border.

Six companies are building eight prototypes on the San Diego border to present to the Department of Homeland Security. The deadline for completion is October 26.

Four of the prototypes will be made of concrete while the other four will be made of alternate materials. All of the models will be between 18 to 30 feet high and 30 feet long.

The San Diego Union-Tribune reported that at least five prototypes have already gone up.

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