Assertion: fortress's wall | /r/HasProperty | built at several locations
Facets:
value: in greece - corinth
type: LOCATION
value: in megara
type: LOCATION
Source sentences:
text: Although long walls were built at several locations in Greece - Corinth and Megara being two of the best known examples - the phrase "long walls" generally refers to the walls connecting Athens to its ports at Piraeus and Phalerum.