|Description:||Holding off invasion and protecting its people, ancient civilizations came up with creative, efficient and effective means of self-protection and defense. Walk the grounds of the castle that helped create Great Britain and learn why it was such an impregnable fortress. Discover the invisible underground defensive systems of Cappadocia and how they proved so successful that it is the longest continually inhabited fortress in history. Test the ancient Mayan killer bee castle defenses, and release bees in an attack. Full summary »|
|Release Date:||March 19, 2011|
Added 5 years ago - 19,964 views
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