Sounds like a perfect blend of adventure and my two favorite things, texture and light. I’ll bring the color‑coded LEDs and a tiny sensor array to map the echoes, but we’ll need a proper rig to keep the cobwebs from short‑circuiting the circuits. Just make sure we have a good power source and a way to vent any condensation—old stone can be surprisingly damp. Ready to paint the cavern in color while we listen to its secrets?