#6. First, Meet Mark Devries

Filmmaker Mark Devries, a law school graduate, was determined to program drones to fly over large pig farms in North Carolina. He purchased his first drone in 2012, but encountered several technical problems with the machine.

Mark put his ambitions aside for a few years while pursuing other projects. In 2014, however, he got back to work. Not only were there technical issues to worry about, but at one point during filming someone from one of the factories followed Devries in his car.

Read on to see more about Mark’s discoveries…