Wonders of the world:the Cathedral of Notre Dame (Notre - Dame de Paris)
When I looked down from the towers of Notre Dame, I had a lot of strange thoughts. How many centuries have passed beneath these towers! How many changes - and…

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The construction of the world's animals
When wasps build a nest use a home-made paper. They tear off pieces of the wood fibers, moisten them with saliva, turning into a paste, which is used in the…

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The underground water supply of Jerusalem

Underground water facilities in Jerusalem is a special milestone in the history of the development of the city of David. Initially, residents used a single source called the Gihon outside the city walls. So during the siege, residents were left without water, the source is carefully disguised, and the rock struck the tunnel where the water was going into the city.

The Gihon spring was distinguished by one feature: it periodically with the difference of a few hours threw the water fountain, and the citizens had to figure out how to collect water and supply it to the consumers. Archaeologists have long explored the underground hydro-technical constructions, created by ancient inhabitants of Jerusalem to collect the waters of the spring Gihon.

The Aqueduct Of Hezekiah

During the reign of Judean king Hezekiah from Gihon to Siamcom pond was built a tunnel length of about 600 meters. The tunnel passed under the city walls, directing water source to the pond located within the territory of the city. Traces of ancient constructions are still visible today. Tourists visiting the country of the Jews, to lead tours of the “water of Hezekiah”. It is noteworthy that the tunnel was quite sophisticated for their time engineering work. Continue reading

Germany Lübeck

In the Northern part of Germany is a small but very famous city – the city of lübeck. He has for many years attracts huge number of tourists and is famous for its beauty of the Hanseatic city. Lübeck has long been considered one of the most powerful and influential cities in Germany.

All the parameters to it in comparison can go only Hamburg. But Hamburg continues to grow, succumbing to the influence of modernity, and lübeck remained forever in the middle of the 16th century. Thanks to this kind of isolation from the outside world lübeck is a unique Gothic city whose area is only 2 square kilometers.

Walking around the city you can almost completely learn the entire history of the brick Gothic style. As a new trend in architecture, the Gothic style over the years became widespread throughout Europe. Only in the Northern part of Europe lacked the limestone that was widely used by the French in the creation of unique and unique carved Gothic cathedrals. Due to the limited amount of limestone in the Northern part of Europe the master took the usual bricks and tried to put from him the same churches, which would not be inferior to their predecessors. Continue reading

The story of ancient pipelines

On the eve of the most blessed and desirable holiday – the New year – we decided to write a Christmas special and not very serious article. But in order not to deviate from the basic field of activity of our organization, we will devote it to the ancient system of pipeline transportation. What we have now – we know: pipelines, stretching for hundreds of thousands of kilometres, crossing half the globe, serviced by thousands of engineers and professionals. But it was not always so. And how did it all start?

Of course, speaking about the ancient systems of pipelines, we mean it’s the conduits. Neither of which the transport of oil, gas and other things then there was no question! But the need for the delivery of water really was, though built cities near water, and the fields were sowed along the rivers. The city has evolved accordingly increased and the problem of water supply to the place of consumption. Different States have tried to solve the problem on their own, but the decision, however, were similar: the aqueducts.

The aqueduct is the water drawn from the water source to the place of consumption is located below the source height. It was constructed from different materials, but the most widely used stone. Later as a building material was brick, steel and others. Often the aqueducts represented cabinlocalhome Grand structure with a height of tens of meters. And now many of them are architectural monuments, and a place of pilgrimage for millions of tourists. Well, delve a bit into history and look at some ancient States. Continue reading