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Bastions of antiquity

This kind of construction began to build in the Middle Ages. Radial form of construction of the fortress was the most practical reasons of defense of the fort. These magnificent buildings look just incredible.
11 fortifications from different countries





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Source:
Pictures
Ancient optical lenses for more than a century was not noticed by the archaeologists!
History of the Chateau d'If (36 pics + 2 video)
Secrets of the legendary Chateau d'If
Contraceptives antiquity: 10 facts
Tunnels lost civilizations
About love a little differently ...
The tree in the Russian building tradition
Non-resort of Crimea
In ancient times, there was a wide variety of religions.
Oil - black blood Empire
Interesting facts about our planet
Facts About Earth
20 of the most mysterious people in history
Why six thousand years ago, surgeons were doing trepanation
10 incredible robots that were created without modern technology
What is life choices
The history of wedding veils
Zone Zakharyin-Ged: projection of internal organs to the skin
Impregnable bastion
Wherever you are afraid to enter?
House of Peter I
Kremlin in the past
Minsk, which I hate
Falsification
...
Ancient optical lenses for more than a century was not noticed by the archaeologists!
...
History of the Chateau d'If (36 pics + 2 video)
...
Secrets of the legendary Chateau d'If
...
Contraceptives antiquity: 10 facts
...
Tunnels lost civilizations
...
About love a little differently ...
...
The tree in the Russian building tradition
...
Non-resort of Crimea
...
In ancient times, there was a wide variety of religions.
...
Oil - black blood Empire
...
Interesting facts about our planet
...
Facts About Earth
...
20 of the most mysterious people in history
...
Why six thousand years ago, surgeons were doing trepanation
...
10 incredible robots that were created without modern technology
...
What is life choices
...
The history of wedding veils
...
Zone Zakharyin-Ged: projection of internal organs to the skin
...
Impregnable bastion
...
Wherever you are afraid to enter?
...
House of Peter I
...
Kremlin in the past
...
Minsk, which I hate
...
Falsification
 Entertainment with a waterfall.  Pictures about the results of austerity