amen accompanies man from ancient times to the age of nuclear energy and nanotechnology. Rocks, caves, coastal pebbles have become native to the human eye, without them the landscapes seem incomplete. Reliable, eternal stone - our salvation from bad weather and joy for the eyes. At first, people used stones as protection and weapons, then worshiped them. When gods replaced idols, beliefs - religion, nomads - settlements - housing, religious buildings began to be built from stones. So architecture appeared.