No, the tickets bought through the web are only valid for the non-guided visit. To join one of the guided tours that leave at the following times: Monday to Saturday - 10:30am, 12:30am, 3:30pm, 5:30pm; Sundays and holidays - 11am, 1pm, 3pm, 5pm, you should buy the ticket at the ticket office before the beginning of the guided tour.