sign in Bulgarian and English about the Roman Baths in Hisarya, Bulgaria

sign in Bulgarian and English about the Roman Baths in Hisarya, Bulgaria. The sign includes a logo for the Archaeological Museum of Hisarya. Text describes the baths, their construction in three phases starting in the 2nd century AD, their use of mineral water, and the layout including caldariums and other rooms. The sign also states that the walls were built using the "opus mixtum" technique and that they rise up to 5.50 meters. There is an illustration of the vaulting of the Roman Baths. The sign also notes that in antiquity, the mineral springs were a place of gathering for people who enjoyed the waters.