...located in today’s Russia at the mouth of the River Don to the Azov Sea... said Dr. Marcin Matera from the Institute of Archaeology of the University of Warsaw... that the embankment was built after the conquest of Tanais by Polemon". Polemon was a king of Bosphorus, who ruled in the late first century BC... University of Warsaw expedition conducts excavations in the western part of the ancient Tanais since 1996... The most important discoveries made by Polish archaeologists include a unique defence system of the western gates of the city, established in the Hellenistic period and rebuilt, probably at...