The VisioTerra society (https://www.visioterra.fr/)[1], one of ERAIFT's partners, specialised in scientific advice for earth observation, received Mr. Julien BWAZANI BALANDI, research assistant and doctoral student at ERAIFT, from December 6 to 19, 2022, for an internship in Geographic Information Systems. Two objectives were pursued during this internship: (1) consolidation of the geospatial referential of the Democratic Republic of Congo (DRC); (2) production of a user manual for the VtWeb platform for data processing.