Φωτογραφία 1: Bulgarian exhibition
Φωτογραφία 2: Bulgarian exhibition
Φωτογραφία 3: Bulgarian exhibition
Φωτογραφία 4: Opening speech for the bulgarian exhibition
Φωτογραφία 5: Opening speech for the bulgarian exhibition
Φωτογραφία 6: Opening speech for the bulgarian exhibition
Φωτογραφία 7: Opening speech for the bulgarian exhibition
Φωτογραφία 8: Opening speech for the bulgarian exhibition
Φωτογραφία 9: Opening speech for the bulgarian exhibition
Φωτογραφία 10: Opening speech for the bulgarian exhibition