Ancient structures
About five thousand years ago among the boundless Sands of the African deserts to the Egyptian IV dynasty Pharaoh khafra (the Greeks called him Chephren) built for himself the pyramid-tomb.…

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The great structures of antiquity
The great structures of antiquity (Beijing 1 day private tour) Price for groups of 4 people Feature tour: Juyongguan is the most convenient and close to the Beijing section of…

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arts

Great building

 

GEOLOGICAL STRUCTURE . Unlike South America, millions of years ago was part of Gondwana, North America – a fragment of Laurasia – the Ancient continent of the Northern hemisphere. The basis of North America is a long Precambrian North American platform . In the North-East of its crystalline basement, composed of granite and gneiss, comes to the surface in the Canadian shield . In the rest of offset by a strong Foundation layer of sedimentary rocks (Sandstone, limestone).

From all sides of the platform in different geological time were “Built” folded area. In particular, strong folding formed on the approach to the site of the Pacific – North American lithospheric plates .

More than 10 thousand years ago the climate of the Northern hemisphere was much more severe: snow fell during the long winter, not had time to melt and accumulate. Gradually it turned into ice. As a consequence, on the North of the continent was formed by a giant glacier covering. Hundreds of years he moved to the South along the uneven surface of the continent. In ice versely large and small fragments of rocks Continue reading

Unusual and mysterious places
The existence of this terrible valley became known in the late nineteenth century, when in the canyons of Canada rushed hundreds of miners. This valley has earned the fame of…

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Hotel of the day: Savic hotel, Prague, Czech Republic
  Our today's hero – classic Prague hotel: it is located in a historic building in the centre of town, rooms are spacious, with thick walls and original trim, the…

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