Beneath the arena’s grandeur lay a netherworld of gladiatorial schools and storerooms, all linked by corridors filled with pulleys and levers, animal cages and gladiators. | The system was run by teams of slaves who faced being fed to the animals themselves if their timing went awry.-Michael Leidig —Animal magic of Rome’s Colosseum underworld (Sydney Morning Herald)

Well, that’s one way to motivate your techies.