41 Organization of exhibitions for cultural or educational purposes; Organization and direction of conferences, congress, and symposia; Publication of books and texts, other than advertising texts; Reporter services, photographic reports; Photographic services; Making and production of non-advertising films; Cultural, educational and recreational services provided by amusement parks, circuses, zoos, art galleries, and museums; Services of sports training and physical maintenance; Certain writing services, such as the writing of television and film scripts; Services of composers and music authors