With the construction of the bridge was associated with the appearance of the new town, which was destined subsequently to become one of the largest in Siberia. Day of laying the first stone of the railway bridge across the Ob river — July 20, 1893 is the date of birth of Novosibirsk.
It should be noted that bridges the TRANS-Siberian railway for its time were the largest facilities of its kind in Russia. For example, the famous bridge over the Yenisei, constructed under the project of L. Proskuryakova in 1898, has long been one of the biggest in the world in the simple span girder bridges (6 spans of 144 m. the Model of the bridge was awarded the gold medal at the Paris exhibition of 1900). The bridge across the Amur river (1915 project by the same author) had a unique length of 2.6 km Access road with the overpass it in 6 spans of 33m (the project of the famous Russian engineer, Professor G. P. Perederiy) was constructed from the latest structural material — concrete. Continue reading
Archaeologists know that this ancient monument was built in several stages between 3000 BC to 1600 BC, But why? Disputes are very long, and consensus scientists have not yet reached (frame BBC).
Professor Tim Darvill (Tim Darvill) from the University of Bournemouth (Bournemouth University ) and Jeff Wainwright (Geoff Wainwright), President of the society of antiquaries of London (Society of Antiquaries of London ), headed the archaeological expedition, which for the first time in nearly 50 years began to excavate directly under the Stonehenge (Stonehenge ). Scientists intend to shed light on the purpose of the construction of this mysterious structure.
Excavations conducted on the means and under the auspices of the BBC. moreover, the broadcasting company launched a special project Timewatch. in which intends to highlight the progress of the work. Continue reading
The term “megalith” is not exhaustive, encompasses a very broad, vague and heterogeneous range of structures. Without going into details, the megalith – stone construction of a controversial appointment, as a rule, large size and built with the use of uncertain technology. From the period of construction to our days not got any written evidence, which, coupled with the destructive effects of water, wind, temperature and people makes the study of megaliths very difficult.
Megaliths geography is very wide: they are in Europe . in Asia . in Africa . in North America . in South America … not only in Australia . at least, not yet found. Of course, they are not found in Antarctica . but it is possible that the ice, depending on the area they acquired their own characteristics that are even allowed to split them into culture (Caucasian, South European, British, Indian, and other).
All the megaliths can be classified by design type. Continue reading