The voucher must be used on the selected date and within operating hours; Invalid after expiration • Admission is free for children below 2 years old. Proof of age is required • The schedule is subject to change due to weather conditions. Departure times may change without prior notice. Please confirm the ferry timetable at the ticket counter on the day of the tour• Please arrive at the port's ticket counter at least 15 minutes in advance for ticket redemption• The itinerary may be affected by weather and other unforeseen circumstances. The supplier reserves the right to adjust, cancel, extend, or shorten the itinerary due to unforeseen circumstances before and after departure• For identity verification purposes, travellers may be asked to present their ID documents (e.g. passport, ID card). Please make sure you carry a valid ID with you on the day of the visit• Refunds or compensation will not be granted to travellers who leave the tour halfway through or miss the entire tour due to personal reasons (e.g. lack of travel documents, late arrival, sickness, accidents)• Ticket is only valid on the selected date and time as crowd restrictions are implemented on-site