Dymaczewo near Poznań. International Symposium 
                    "Origin and Early Development
 of Food-producing Cultures in 
                    North-Eastern Africa", September 9th-13th, 1980.
 Opening ceremony. 
                    Social evening.
From the left: (4) Lech Krzyżaniak, Ph.D.; (5) Barbara Barich, Ph.D.  (Universita di Roma).