Statements (25)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:Irrigation_system | 
| gptkbp:alsoKnownAs | gptkb:dam | 
| gptkbp:component | Gently sloping tunnel Vertical shafts Surface outlet | 
| gptkbp:culturalSignificance | Ancient engineering | 
| gptkbp:notableFeature | Gravity-fed Minimizes evaporation | 
| gptkbp:originatedIn | gptkb:Persia | 
| gptkbp:purpose | Drinking water supply Irrigation | 
| gptkbp:structureType | Underground channel | 
| gptkbp:technology | Traditional | 
| gptkbp:UNESCOStatus | Some sites are World Heritage Sites | 
| gptkbp:usedIn | gptkb:Afghanistan gptkb:China gptkb:Iran gptkb:Middle_East gptkb:Pakistan | 
| gptkbp:waterSource | gptkb:Aquifer | 
| gptkbp:bfsParent | gptkb:Turpan gptkb:Turpan_Basin gptkb:Turfan | 
| gptkbp:bfsLayer | 6 | 
| https://www.w3.org/2000/01/rdf-schema#label | Karez irrigation system |