The Gibraltar Heritage Trust will offer a series of walking tours of the Northern Defences in collaboration with Fortress Attractions Gibraltar. Tours will take place on the last Friday of each month, with the first scheduled for Friday January 30. Attendance is free, but booking via the Gibraltar Heritage Trust is essential. Photography and video recording may take place during the first tour for promotional and social media purposes. Participants are advised that the route includes uneven surfaces, steps, exposure to weather conditions and outdoor environments, and that appropriate footwear should be worn.