On March 23, 2023, there was an online lecture by Prof. Andrzej Pelisiak (University of Wrocław), member of Governance Council of PAIA, entitled: “Chipped lithic artefacts from Paradimi and Krovili (Thrace, northern Greece). Remarks from the 2020 surface investigations”. In the project participate: Dr. Maciej Dębiec, Assoc. Prof. Dushka Urem-Kotsou, Dr. Dimitris Matsas, Anna Mousioni, M.A. and Periklis Chrysafakoglou, M.A. The lecture was extremely popular. It was attended, among others, by Prof. Konstantinos Vouvalidis.