https://www.youtube.com/watch?v=docAM0zZrsk

PREHISTORIC WEAPONS AND TOOLS

Fighting balls, flint tools, spindle whorls and strange discs are among the finds from the newly located Early Bronze Age settlement near the village of Bogdan, Karlovo municipality. According to the archaeologist Martin Hristov (National Museum of History) it is about 4500 years old. See the results of this year's excavations through the eye of Archaeologia Bulgarica's camera.