{ "items" : [
    { "id" : "http://dbpedia.org/resource/Ponor"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "A ponor is a natural surface opening that may be found in landscapes where the geology and the geomorphology is characterized by some kind of karst.Whereas a sinkhole is a depression (doline) of surface topography with a pit or cavity directly underneath, a ponor is kind of a portal where a surface stream or lake flows either partially or completely underground into a karst groundwater system." ] ,
        "http://xmlns.com/foaf/0.1/depiction" : [ "http://commons.wikimedia.org/wiki/Special:FilePath/Katavothra_Peloponnese.jpg" ] ,
        "http://dbpedia.org/ontology/thumbnail" : [ "http://commons.wikimedia.org/wiki/Special:FilePath/Katavothra_Peloponnese.jpg?width=300"] } } }
