Man Finds Large Boat Stuck In Ice, Then They Take A Look Inside

The sound of metal

Whatever it was, it clearly knew the layout of this darkened space far better than Carl did. His frantic gaze found nothing but darkness, but the swift, deliberate footsteps continued to echo around him. Suddenly, Carl heard a metallic clink, followed by the sound of something rolling across the floor. He strained his eyes and spotted an object growing larger in the flashlight beam. It was a metal can, rolling purposefully toward him.