Bulwarks and Walls It is an exciting journey over the 4 km that the walled cord has at the moment where you will discover hidden treasure stories and how the bastions were strategically built to defend the city with their guns from the enemy ships, know who the military engineers were they participated in the design and fortification of the city, it is a fascinating journey that will take you to live the hidden stories of the walls that were built for more than 400 years


SPECIAL FEATURES:

- Content prepared by historians specifically for the audioguide Presidia and Walls

- Narrative speech with music and sound effects.

- 20 stations with supporting photographs to help you identify the places that are being referred to.

- Interactive illustrated map of the Presidia and the Walls

- Ability to complete the offline journey. You will not have to spend additional internet.

- Ability to show your location on the map via GPS without the need for data connection.