On May 2, 2023, the lecturer of the Department of History and Archeology of Khazar University, PhD in history Bayram Guliyev gave information about the documentary film “Mysterious Azerbaijan”, in which he was a history consultant on AZTV's “The day has started” program. Note that the first season of this documentary, produced as 10 (ten) episodes, is broadcast on NTV of Türkiye and Public Television of Azerbaijan.