Archaeologists have discovered in Greece an object of alien origin buried 3500 years ago. A small black rock cube was unearthed in a Mycenaean tomb. However, archaeologists do not know that it was buried precisely because it would have had catastrophic effects on civilization if it remained on the surface.
Source · ISFDB CC BY 4.0
Placement
- contained in Artifact / Cosm / Eateromnibus