https://archaeologyinbulgaria.com/2016/05/15/resurfacing-of-submerged-ancient-thracian-odrysian-capital-seuthopolis-could-make-it-global-tourist-attraction-archaeologist-says/
‘Resurfacing’ of Submerged Ancient Thracian Odrysian Capital Seuthopolis Could Make It Global Tourist Attraction, Archaeologist Says