Understand the architecture of underground Naples — rooms, tunnels, boreholes, cistern bridges, and inspection shafts.


Try this: Look for tool marks around pozzi — signs of repeated work.
| Element | Placement | Purpose |
|---|---|---|
| Tunnel | Between rooms | Movement, distribution |
| Shaft | Vertical | Inspection, airflow |
| Bridge | Inside cistern | Maintenance access |
Once you learn the vocab, the underground becomes legible.

I wrote this guide to make your underground Naples day clear, safe, and deeply enjoyable—with local context, small tips, and a gentle pace.
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