They landed, said "let's build some huge triangles for shits and giggles" and then they fucked off.
Life is fair somehow. I'm sure that future Alien archeologists will imply our extinction to some unclear natural phenomenon, because
" No civilization would be so stupid to do all of that to themselves"
Life is fair somehow. I'm sure that future Alien archeologists will imply our extinction to some unclear natural phenomenon, because
" No civilization would be so stupid to do all of that to themselves"