Walls (V – VI century) – cyclopean buildings
In the cultural layers of Derbent dassanetch time were found the excavations conducted by archaeological expeditions under the leadership of Professor A. Kudryavtseva. evidence of the occurrence of the settlement here five years ago. In the book “Muslim city of Dagestan” Alexander Kudryavtsev Abakarovich notes: “the Territory of the Derbent hill continued to settle at the end of the P – beginning I thousand BC In the first quarter of the I Millennium BC on the basis of ancient settlements that existed on the Derbent hill, appeared the first fortification, the ancient fortress-refuge, which was, in fact, the earliest “node”, “castle” famous “Gates”, i.e., “Derbent”, vposledstvii received such wide acclaim.
Research of ancient fortifications of Derbent proved that these fortifications, lying mostly under the walls of the medieval citadel of the city, now known as the Naryn-Kala, was a strong fortress, almost completely similar in layout citadel of feudal times.”
Ancient writers and modern researchers is the construction of the fortifications of the processed stones in the Caspian passage associated with the names of the 4 kings of the Sassanid – Yezdigerd II. Perosa, Kawada and Khosrow I Anushirwan .
K. V. Trever construction of the Derbent defensive system considers it possible to date Continue reading
CYCLOPEAN MASONRY — masonry with giant blocks of stone, characteristic of the architectural structures of antiquity. Under many later believed such buildings were created by the legendary Cyclops. Often kvadra stone no bond, and the stability of the entire structure is achieved only by the force of their gravity. One of the most famous examples of the so-called Lion gate at Mycenae, built in 14-13 centuries BC.
Barrel VAULT — a vault, having in transverse vertical section form of a semicircle, in the longitudinal — straight line, C. S. based on parallel supports (walls, columns, colonnade, arcade). C. S. originated in the deep of the trees to bear (IV — III Millennium B. C.) in Mesopotamia and Egypt Crossed C. C. form groin
The ENGRAVER’s (from zinc and Greek. grapho — write, draw) — the production of relief forms for relief printing from zinc by means of chemical and photos mechanical processes. For the engraving zinc drawing done on the Board acid-resistant paints, then unpainted parts of zinc deeply poisoned by the acids, while the graphic does not clearly and distinctly stand out on the plate, forming the printing plates With line etching, a drawing, a solution of asphalt on a plate of zinc or drawing with ink or chalk (the opposing acid) transferred with the glue-coated paper, soaking the paper attached to the face plate, the adhesive dissolves, Continue reading
The great wall of China
If you haven’t heard about the great wall, then perhaps you live in a different world, because this building survived for millennia on hearing almost every first man on Earth, it is no wonder it is called one of the seven wonders of the world. Just imagine how much time and energy went into the construction of the great wall. Thus, in this version, she really left and continues to be great, affecting the minds of tourists and instilling pride in those who honor the work of their ancestors. However, despite the high importance and attractiveness for tourists now, the story of building the great wall of China at some point, is tragic enough.
The history of the erection
The construction of the wall began in the 4th century BC around the same time as 4 Chinese kingdoms, who needed protection from potential barbarians. Fearing the expansion of the Chinese people, the walls began to build large kingdoms of Qin, Wei, Yan and Zhao. During this period, some pieces of walls were gradually fused together and ultimately merged into one coherent and powerful state, protected by a huge, impenetrable wall. It raised the level of protection of the kingdoms to unprecedented heights, and before the eyes of the invaders appeared, the will of the Chinese people to freedom. It happened when the country was ruled by Qin Shi Huangdi – one Continue reading