-
defensive:construction,
-
visible:structure,
-
related:construction,
-
military:construction,
-
major:structure,
-
defensive:structure,
-
expensive:structure,
-
ancient:monument,
-
basic:area,
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surrounding:land,
-
ceremonial:facility,
-
recognizable:entity,
-
defensive:facility,
Category Nuances for earthwork:
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ancient,
-
visible,
-
military,
-
recognizable,
-
basic,
-
expensive,
-
defensive,
-
related,
-
surrounding,
-
major,
-
ceremonial,
Simple Categories for earthwork: