Archaeologists Find Wooden Wall, ‘Four-Leaf Clover’ Amulet in Prehistoric Settlement Mound in Bulgaria’s Petko Karavelovo
7,000-year-old archaeological structures and artifacts from the Chalcolithic (Aeneolithic, Copper Age), including a wooden wall, a loom, and a shell amulet have been discovered during the 2015 excavations of the prehistoric settlement mound in Bulgaria’s Petko Karavelovo.
