The 3D reconstructions of the Roman baths and fortress walls in Hisarya, created by me and Associate Professor Mitko Madzharov, were used by Viarity as the basis for developing the HisARHeritage mobile augmented reality application. Their team demonstrated a high level of technological expertise, attention to detail, and a responsible approach to historical authenticity. The result is an innovative solution that presents the cultural heritage of Hisarya in a modern and impactful way.