Raiding the Tomb-Cities of the Long-Departed Molanic Tribes

I entered the cavern and found the source of the light: A vast underground city, in which stood Streetlamps, still ablaze after untold centuries! ‘What fuel,’ I wondered, ‘would burn so brightly, so long unattended?’ The answer, of course, was ‘None;’ the caretakers of the lamps had never left…

(From The Uneventful Life of Arturio von Anglebanger)