Тhe model represents the building of an agricultural cooperative in the village of Krupac, municipality of Pirot. It was built in 1920. The building is one of the most representative in the village for the period in which it was built. The photogrammetric model was created for the needs of the "study of the protection of the village of Krupac" of the Institute for the Protection of Cultural Monuments from Nis under the leadership of Elena Vasić. model made by: https://sketchfab.com/nixic.alexandar