Officer Jason Ross demonstrates how the Vehicle and Cargo Inspection System (VACIS) is used at the Northbound Agricultural Inspection Station on I-75 in White Springs, Fla. This system uses gamma rays to scan images of commercial vehicles that are stopped at the inspection station. Every 20th vehicle that comes through the station is scanned.   Ross said that after years of practice, he can examine a photo and know what is likely in the truck, whether it’s the usual vegetable cargo or hidden paraphernalia such as drugs or even people. Bricks of marijuana have been found stored in artificial walls, in produce and in paper towels. The VACIS truck, along with physical inspections, help the officers maintain agriculture safety in Florida.

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Joshua Radcliffe, 8, poses Saturday in his vampire bat costume with Demetria McBride, an intern at the Lubee Bat Conservancy in Gainesville, during the conservancy's the 12th annual Florida Bat Festival. (Vedrana Damjanovic/WUFT News)

In Photos: Bats Spread Their Wings At 12th Florida Bat Festival

Lubee Bat Conservancy, a 110-acre ranch in Gainesville that's home to several bat species, opened its doors Saturday for the 12th annual Florida Bat Festival.