| Also 
	  termed chourui ·Ϋ, bourui hΫ. A long defensive fortification 
	  consisting of a continuous, extended earthen embankment or stone ramparts. 
	  The most famous example is the Great Wall of China (Jp: Banri 
	  no choujou ’Μ·ι) or Long fortification of 10,000 Chinese miles. 
	  In Japan similar fortifications were built during the ancient, medieval 
	  and Warring States periods. Examples of different types include the Oushuu 
	  B Mutsu €, Mt. Atsukashi ’Γκu, a double earthen embankment 3.2 kilometers 
	  long constructed to forestall Minamoto no Yoritomo's Ή© incursions, mentioned in AZUMAKAGAMI 
	  αΘΎ (1189). Another example is the stone faced embankment that extends some 
	  20 kilometers along the coast of Hakata ½ Bay. It was constructed to defend 
	  against the Mongol invasions. Construction began in 1276. |