"Ancient humans painted scenes in Indonesian caves more than 45,000 years ago, but their art is disappearing rapidly. Researchers are trying to discover what’s causing the damage and how to stop it — before the murals are gone forever."

https://www.nature.com/immersive/d41586-023-03818-5/index.html?utm_medium=Social&utm_campaign=nature&utm_source=Twitter&error=cookies_not_supported&code=bfa79551-c46d-4b5d-89e0-9dce9f7bbc1c#Echobox=1702038163