This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Lairetlemondearmanggoog . en French scientific textbook for school use with many engravings including this one of the Cave of Dogs L'air et le Monde Arien Mangin Arthur other versions The Cave of Dogs or Grotta del Cane on the shores of Lake Agnano Puzzuoli Italy since drained PDold Uploaded with Volcanology Toxicology Arthur