Typically, animals do just fine living their daily lives without the interference of humans. Unfortunately, they sometimes get themselves into dangerous predicaments, especially since they don't understand the consequences of their actions. These workers heard something in the distance that chilled their blood, so they decided to investigate. What they found will stick in their minds forever.
All of a sudden, the workers, who were next to a wooded area, heard a dog barking nonstop. It was as if the dog heard the workers in the distance and was calling out to them for help.