query: # All items that have P2951 set. Plotted on a map. Symbols according to p31
  #defaultView:Map
  SELECT ?item ?itemLabel ?heritageId ?adminLabel ?coord ?image ?layer
  WHERE
  {
      ?item wdt:P2951 ?heritageId .
      OPTIONAL { ?item wdt:P131 ?admin }
      OPTIONAL { ?item wdt:P131 ?admin }
      OPTIONAL { ?item wdt:P625 ?coord }
      OPTIONAL { ?item wdt:P625 ?image }
      OPTIONAL { ?item wdt:P31 ?type }
      SERVICE wikibase:label { 
        bd:serviceParam wikibase:language "de" .
        ?type rdfs:label ?layer .
      }
  }