evidence: David Gareja medieval cave monastery represents the complex of 18 orthodox Christian monasteries spread over the Gareja semi-desert. Main part is situated in Kakheti, Georgia. Notable for ancient frescoes and picturesque views, the cells, churches, chapels, refectories and living quarters are hollowed out of the rock face. [...] David Gareja Monastery reached it’s peak of success during the Golden Age (the time of national and cultural-political rise) of Georgia, in the 12th-13th century when the new monasteries were built: Udabno, Sabereebi, Bertubani, White Desert, Tsintskaro, Kolagiri, Tetrisenakebi, Big Boilers, Mravtskaro, Pirukugmari, Black Senaki, Berta Mountain, Gatsatshori Cave, Small boilers, Veran-Gareja and Chichkhituri. The private art school of fresco painting functioned at the Udabno monastery and David Gareji, elaborating private rules of building and monastery life. Gareji art school was one of the most significant educational centers in medieval Georgia. [...] Davit Gareja has been included in the UNESCO World Heritage Tentative List since October 24, 2007.