details of the offer:
- From 1st April to 31st October: €5.5.
- From 1st November to 31st March: €5.
Reduced rate (young people aged from 12 to 18 and students): €4.
Family price (minimum of two adults and one child aged over 12): €4.5 per person
Free entry for accompanied children aged under 12, the unemployed and the disabled
Free audio guides (6 languages: French, English, German, Italian, Spanish and Dutch)