On Thursday, February 19, 2026, students of the Geotechnical Engineering Module had the opportunity to visit Opticus Ing, the representative of the German company NAUE in Serbia, which specializes in the application of geosynthetic materials in modern engineering practice.The students attended a professional lecture on geosynthetics, their properties, design principles, and the wide range of applications in soil stabilization, embankment construction, slope protection, landfills, and infrastructure facilities. Special emphasis was placed on practical examples from engineering practice and on contemporary trends in the application of sustainable and efficient geotechnical solutions.