21. His province was situated along the lower course of the Struma with Serres as seat. 22. These dives in Turkey were chronicled on the HBO documentary " Struma ". 23. This is undoubtably an allusion to the " Struma " disaster in 1942. 24. I was registered on the Struma , but there were delays and another ship became available, 25. He later boarded the doomed Struma . 26. "Struma " sank quickly and many people were trapped below decks and drowned. 27. The Struma motorway extends the Lyulin motorway ( A6 ), running from Sofia to Pernik. 28. He donated the village of Potolino in the lower Struma province to the Chilandar in 1348. 29. The longest river located solely in Bulgarian territory, the Struma and the Maritsa in the south. 30. The Strymonites, a Sclaveni tribe, adopted their name after the Strymon river ( Struma ). 