The group of icons with hagiographic images, were Georgian saints predominate, are the works of the 14th c. The author took part in an expedition financed by the President of Georgia, Mr. E. Shevardnadze in 1998. On Some New Aspects of the Archaeological Research of David Gareji Complex. It unites about twenty monasteries of different periods and cultural values. Architectural ensemble includes churches, cells, and caves of varied economic importance.
Circles also connect stairs, tunnel systems and water reservoirs.
In the course of the excavation works around Kvabebi monastery, the existence of petroleum residue on some domestic utensils was confirmed. There are also some facts confirming existence of oil deposits in eastern Georgia. It has been evidenced by Marco Polo in the 13th century and Vakhushti Batonishvili in the 18th century. The author deals with the subject-matter of those etchings, mainly comprising genre subjects. The author thinks that G. Lezhava's fantasies on the Medieval Georgian cities report an ideal city combining best achievements of the European and Asian architecture.