In LOCATION@1 , a NUMBER@1 kilometer stone wall defending the coast of LOCATION@2 in LOCATION@3 is completed ; it is built in response to the attempted invasion by the ORGANIZATION@1 in NUMBER@2 .

In LOCATION@1 , a NUMBER@1 kilometer stone wall defending the coast of LOCATION@2 in LOCATION@3 is completed ; it is built in response to the attempted invasion by the Mongol Empire in NUMBER@2 .
