Los Dres. Antonio Almagro y Antonio Orihuela (LAAC-EEA-CSIC), publican en el vol. 1 del libro Defensive architecture of the Mediterranean: XV to XVIII centuries, Valencia, Universidad Politécnica, 2015, el texto de la conferencia presentada al First International Conference on Modern Age Fortifications of the Western Mediterranean coast (FORTMED), bajo el título Métodos para documentar y restaurar zonas de difícil acceso en el Castillo de Salobreña (Granada).
Construction fortifications sometimes are in places located in high mountains where it is very difficult to access them to obtain information about the restoring.
In The Salobreña Castle, Andalusí Fortification in the coast of Granada and remodeled at the end of the XV century, exists walls and fortifications located at the top of high cliff, therefore it is very difficult to obtain information using classic photogrammetric methods. The same case in restoration because it is difficult too.
A little multicopter has been used to solve the documentation problem and a compact camera was fixed in the multicopter. It is used to take a lot of pictures, obtaining such stereoscopic pairs as groups of pictures to modify with a program of photogrammetric scan.
A skilled worker has restored the elements located in high cliff using climbing equipment.