query: #defaultView:Map
  SELECT ?item ?itemLabel ?coord ?image 
  WHERE {
    hint:Query hint:optimizer "None".
    ?item wdt:P1435 wd:Q54556283.
    ?item wdt:P625 ?coord.
    OPTIONAL {?item wdt:P18 ?image}.
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
  }