More than 30 cans of marijuana were shot across the Mexican border into the United States-- by a cannon!

The cans were found near the Colorado River in Arizona. Border Patrol agents said it was "another unique but unsuccessful attempt" to smuggle drugs into the U.S.

The cans were fired from about 500 feet away with a pneumatic-powered cannon. A carbon-dioxide tank was also found.

The marijuana weighed 85 pounds and was worth $42,500.

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