September 19-20, 2023, under the organization of the Office of the State Historical-Architectural Reserve "Icherisheher" and the Ministry of Culture of the Republic of Azerbaijan, with the financial support of an expert from the National Museum of Georgia and the Ministry of Foreign Affairs of the Federal Republic of Germany. A number of employees of the National Museum of History of Azerbaijan took part in the seminar. With the participation of foreign experts, museum staff became closely acquainted with the cleaning, restoration and digitization of photographs, photo and glass negatives.