They were too symmetrical as if someone had carved directions in the stone so they wouldn't get lost. Lith pointed them to Yondra, who made a rubbing of them with a piece of paper and chalk.
"How the heck did you notice them?" She blurted out after calling the rest of her colleagues to take a look at his discovery.
"Secret of the trade." Lith replied since revealing his Fire Vision was out of the question. The humidity in the cave had filled the carvings with water, making them stand out like a sore thumb to his thermographic vision.
After studying the carvings, the unanimous conclusion was that they were indeed some kind of ancient language.