[ 
  [39.145482,-106.944067,40.252957,-104.095186], // Denver 
  [35.92,-115.657,36.479,-114.940], // Las Vegas 
  [25.382212,-80.680834,26.103094,-79.991437], // Miami 
  [40.33,-74.8,41.32,-72.869243], // New York 
  [36.880860,-123.1,38.1,-121.56], // San Francisco 
  [29.243270, -95.884552, 30.105929, -94.74472], // Houston
  [33.441755, -118.572692, 34.214073, -117.630615], // Los Angeles
  [28.029561, -81.861877, 29.372601, -80.570983], // Orlando
  [32.528289, -117.419128, 33.267398, -116.926117], // San Diego
  [41.422134, -88.299865, 42.536892, -87.412719], // Chicago
  [39.596165, -75.908660, 40.1767747, -74.842987], // Philadelphia
  [33.255915, -112.407989, 33.706062, -111.524963], // Phoenix
  [39.840177, -80.477600, 41.168316, -79.140014], // Pittsburgh
  [45.247820, -122.916412, 45.813486, -122.181701], // Portland
  [31.755028, -111.233825, 32.623183, -110.727081] // Tucson
]