Supporting agencies: This study was part of the “New Aspects in Studying Fortification in the Asian Bosporus (4th century BC to 6th century AD): Discoveries, Research Methodologies, Visualization Capacities” Project of the “Monuments of Material and Spiritual Culture in the Modern Information Environment” (I.25) Sub-Program for Basic Research of the Presidium of the Russian Academy of Sciences. Field research was supported by the Russian Foundation for Basic Research (Project No. 17-29-04313/18).