Citizen science, gamification, fotogrammetria per il contrasto al rischio di oblio dei Beni Culturali minori

This article presents the Hego project (HeritageGo) which combine the logic of citizen science and aspects of gamification with the potential of the photogrammetric survey technique. A particular approach for the knowledge of small urban contexts, architectural and archaeological emergencies that conceive an innovative procedure for their valorisation and preservation, through the creation of a social interaction system applied to the survey, with the involvement of voluntary users / players (tourists, students, scholars, associations, etc.)