“Genuine” representations: an opportunity for geography or a new form of reductionism? – The increasing production of multiple and informal representations generated by large amount of available data and from several new kind of sources, it is the occasion to argue the relationships between the construction process of legitimacy and shared memory. It is underlined the role of geographical knowledge (both from cultural and neurological point of view) and the importance of geographer in order to distinguish different importance of individual representations from shared and common ones.