| Type de circuit | Visite en groupe partagé |
| Types de circuits | Visite guidée |
| Organisation des repas | À organiser soi-même |
| Type de visite | Visite à pied de la ville, Visite de sites historiques, Randonnée |
| Transport | À pied |
Not Suitable For: People with mobility impairments
Not Suitable For: People with claustrophobia
What To Bring: Comfortable shoes
What To Bring: Weather-appropriate clothing
Not Allowed: Pets
Know Before You Go: The tour involves walking through tunnels and underground areas