The Serpent’s Walls are over a thousand kilometers of ancient fortifications. These earthen embankments surrounding the modern territory of Kyiv are shrouded in legends. Researchers still cannot agree on who built them and why. How were they planned so effectively to protect the approaches to Kyiv, taking into account rivers, lakes, swamps, and hills? Traditional science claims that they were built during the reign of Volodymyr the Great and Yaroslav... see more