Man Thought It Was Just Insulation, Then An Expert Tells Him This

Nothing like this

Marco crouched beside the closest ball but didn’t touch it. He studied it closely, squinting. Then he leaned back and exhaled through his nose. “I’ve worked on a lot of old houses,” he said. “Seen nests, rot, mold, you name it. But I’ve never seen anything that looks like this.” He pulled a flashlight from his belt and shone it directly into the cluster of curls.