Alexander's wall, a rampart supposed to be built by Alexander the Great or Cyrus the Great for protection from Gog and Magog

Gog, evil forces opposed to the people of God according to Quranic prophecy, the Biblical references to Gog and Magog are relatively few, they assumed an important place in apocalyptic literature and medieval legend

Gog and Magog

याजूज और माजूज दो प्राचीन जातियाँ, जिनके आक्रमण से बचने के लिए दीवारें चीन में बनी थीं।