Fanny, Guillermo, Sandra and Christian, joined the “III UNIZAR – UPPA cross-border doctoral meeting” held from 26th to 28th October 2022 in the city of Jaca (Huesca) and organized by the University of Zaragoza and the Université de Pau et des Pays de l’Adour. The aim of this conference is to create links between doctoral students from both universities, and to this end this meeting will offer conferences, round tables, workshops and exhibition sessions of the work of the participants.