query: embed.html##defaultView:Map{"hide":["?geo", "?rgb", "?layer"],"markercluster": true}
  SELECT DISTINCT ?geo ?xLabel (SAMPLE(?x) AS ?x) (MAX(?population) AS ?population) (SAMPLE(?layer) AS ?layer) WHERE {
    ?x wdt:P31 wd:Q6256 ;
       wdt:P30 wd:Q46 ;
       wdt:P3896 ?geo ;
       wdt:P1082 ?population.
    BIND(
      IF(?population < 5000000, "<5M",
      IF(?population < 10000000, "5M-10M",
      IF(?population < 20000000, "10M-20M",
      IF(?population < 40000000, "20M-40M",
      IF(?population < 80000000, "40M-80M",
      ">80M")))))
      AS ?layer).
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
  }
  GROUP BY ?geo ?xLabel
    