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
The great mosque in djenné is truly the most significant structure of clay. It is the greatest achievement of the Sudano-Sahelian style of architecture, despite some Islamic influence. The mosque is near the river of Bali in the city jenna. In 1988 the building was listed in the UNESCO world Heritage list. In the climate of the Sahara desert, where almost no rain, these buildings could stand for a century. However, in Africa in the area are the rainy seasons, during which the Great mosque is seriously affected.
For the first time the mosque was built on this site in the 13th century. Start of construction of the present mosque is attributed to 1906 and finished in 1907. The construction was led by Ismael Traore. In those days, jenna was colonized by France. And the French have provided economic assistance in the construction of the mosque. Continue reading
Structures of unknown purpose and unknown origin.
Satellite imagery was used in different places of the Mediterranean visible structure of coastal structures.
Facilities, usually located at the mouth of the river and consists of many branched and closed channels. They communicated among themselves and with separate small locks. I.e. open water communication between no. It looks like a branched network of boat docks, but not the berths. Since there is no message on the open water. The width of the channels as the width of the separation shaft, varies, but one of the order of from 5 to 30 meters. Facilities are very old. Remind system of drainage, but there is not the land, namely ramparts. In the system of draining the land is broad and the channels narrow, rather even ditches. And no irrigation system. Continue reading