ala, "Ringworld" by Larry Niven, in which, City Builder rule ended after the Ringworld was infected with a superconductor eating bacteria in a plot by the Pupp

ala, "Ringworld" by Larry Niven, in which, City Builder rule ended after the Ringworld was infected with a superconductor eating bacteria in a plot by the Puppeteers https://larryniven.fandom.com/wiki/City_Builders https://larryniven.fandom.com/wiki/City_Builders