bn:00153334n
Noun Concept
Categories: Borders, International landforms
EN
natural border  natural borders  natural boundaries
EN
A natural border is a border between states or their subdivisions which is concomitant with natural formations such as rivers or mountain ranges. Wikipedia
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EN
A natural border is a border between states or their subdivisions which is concomitant with natural formations such as rivers or mountain ranges. Wikipedia
political borders corresponding to geographical barriers Wikidata
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