query: embed.html##defaultView:Map{"hide":["?geo", "?layer"]}
  SELECT DISTINCT ?geo ?xLabel (SAMPLE(?x) AS ?x) (MAX(?population) AS ?population) (SAMPLE(?layer) AS ?layer) WHERE {
    ?x wdt:P31/wdt:P279* wd:Q6256 ;
    #   wdt:P30 wd:Q46 ;
       wdt:P3896 ?geo ;
       wdt:P1082 ?population.
    BIND(
      IF(?population < 100000, "<100,000",
      IF(?population < 500000, "100,000-500,000",
      IF(?population < 1000000, "500,000-1M",
      IF(?population < 2000000, "1M-2M",
      IF(?population < 5000000, "2M-5M",
      IF(?population < 10000000, "5M-10M",
      IF(?population < 20000000, "10M-20M",
      IF(?population < 40000000, "20M-40M",
      IF(?population < 60000000, "40M-60M",   
      IF(?population < 80000000, "60M-80M",
      IF(?population < 100000000, "80M-100M",
      IF(?population < 200000000, "100M-200M",
      IF(?population < 500000000, "200M-500M",
      IF(?population < 1000000000, "500M-1B",
      IF(?population > 1000000000, "1B+",   
      "")))))))))))))))
      AS ?layer).
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
  }
  GROUP BY ?geo ?xLabel
  ORDER BY ?population