We are very happy to welcome Dr. Emna Mejri from the National Engineering School of Tunis as a visiting scientist at the Chair of Hydromechanics and Hydrosystem Modelling from 6th July to 30th July 2021. Together with Rainer Helmig, Emna is leading a DAAD project entitled "EVASAL: Environmental applications of evaporative salt precipitation in porous media: numerical modelling and experimental investigations". During her stay, she will continue her research with the Stuttgart group.