Hello, we would like to ask about [tour name] in Brussels on [date/time] for [number] people. Please confirm which buildings are viewed only from outside, which include entry, and whether separate admission tickets are needed. Is this tour led by a live guide, or does it use an audiovisual device? What is the actual commentary language, and is Chinese available? Is the selected time tied to a fixed language? Please provide the meeting point, end point, and whether the route suits [mobility requirements]. Does the total price include the guided service and admission, who arranges the visit reservation, and whom do we pay? Please explain the rules for changes to the group size or date, cancellation, and late arrival. This is currently an enquiry only; please provide written confirmation before treating it as a booking.