query: SELECT ?site ?siteLabel  (SAMPLE(?coords) AS ?coords) (group_concat(distinct ?criteria; separator = ", ") as ?crit) (SAMPLE(?id) AS ?id) 
  (SAMPLE(?image) AS ?image)
  
  WHERE { 
    
    ?site wdt:P1435 wd:Q9259 .
    ?site wdt:P625 ?coords .
    optional {?site wdt:P2614 ?criteria . }
    ?site wdt:P757 ?id .
    optional {?site wdt:P18 ?image . }
    
  SERVICE wikibase:label {
  		bd:serviceParam wikibase:language "en,fr,es,ru,zh,ar" .
  	}
  }
  GROUP BY ?site ?siteLabel