A newly published book delves into previously unknown archaeological sites in the Bay of Sozopol  In his latest book ''Between Sozopol and Talasakra: Unknown Archaeology of the Sozopol Bay and its Western Hinterland'', Prof. Dr. Ivan Hristov takes readers through a vast 300-decare area in the western periphery of the Sozopol Bay, where scientists have come across new discoveries related to traces of human activity.

This impressive mosaic of seabed remains comes to life through an interdisciplinary approach that intertwines underwater archaeology, historical geography and geophysics.The book reveals a comprehensive picture of the bay and its hinterland, preserved written sources, new hypotheses about the mysterious "second port of Sozopol", etc.

The book also highlights intriguing discoveries, such as symmetrically arranged structures that shed new light on the ancient Apollonia Pontica puzzle.

• Portus Baglar or the bay of vines reveals secrets lying on the bottom of the Black Sea for thousands of years