On 26.09.2023, the next “Master class” called “Archaeological research in the mass grave in Guba in 2007-2008” was held. ANAS Institute of Archeology, Ethnography and Anthropology, head of the sector of the collection of archaeological monuments, doctor of philosophy in history, associate professor Gahraman Agayev made a speech on the topic “Archaeological research in the mass grave in Guba in 2007-2008”. During the speech, the archaeologist stated that thousands of people were killed as a result of the successive ethnic cleansing, genocide and aggression carried out by the Armenians against the Azerbaijanis for many years, and this happened in almost all our regions. He stated that there are enough documents and facts about the genocides. The “Genocide Memorial Complex” in the city of Guba is a clear proof to convey these truths to the world. In the end, Kahraman Agayev answered the questions that interested the employees of the complex.