| Tour Type | Shared tour |
| Transportation method | Get there on your own |
| Luggage limit | None |
| Tour types | Guided tour |
| Meal arrangement | Arrange yourself |
| Sightseeing type | Historic site tour |
| Transport | Walking |
Not Suitable For: Children under 10 years
Not Suitable For: People with mobility impairments
Not Suitable For: People with claustrophobia
Not Suitable For: Wheelchair users
Not Suitable For: People with respiratory issues
What To Bring: Passport or ID card
What To Bring: Comfortable shoes
What To Bring: Water
What To Bring: Passport or ID card for children
Not Allowed: Food and drinks
Not Allowed: Luggage or large bags
Not Allowed: Open-toed shoes
Know Before You Go: Strictly for over 10 years old - under 10s will not be permitted
Know Before You Go: There is a maximum of four children (aged 10-15 yrs) allowed per adult.
Know Before You Go: The tour involves a lot of walking, including walking in areas with uneven ground, low lighting, and stairs. There are no elevators.
Know Before You Go: Wear comfortable shoes as there is a significant amount of walking involved
Know Before You Go: Be prepared for varying temperatures underground
Know Before You Go: Photography is allowed, but flash photography is not permitted in certain areas