query: embed.html##defaultView:Map
  SELECT ?pays (floor(year(?date)/10)*10 as ?layer) ?date ?image ?location WHERE { 
    ?pays p:P31 ?property.
         ?property ps:P31 wd:Q160016.
    	  ?property pq:P580 ?date.
    ?pays wdt:P625 ?location.
          ?pays wdt:P41 ?image.
                 }