https://www.youtube.com/watch?v=Sg77QOAespY

The imposing medieval tower by the village of Matochina, Svilengrad municipality is connected to glorious battles, including the victory of Tsar Kaloyan over the crusaders led by the Latin Emperor Baldwin I of Flanders. Today the remains of the tower stand lonely around 18 meters high, but once it was part of the Boukelon fortification. Its secrets reveal archaeologists of the National Museum of History led by Chief Assist. Dr. Mariela Inkova. Take a walk with Archaeologia Bulgarica team to see from near and from the high the remains of the famous fortress...