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<!doctype>
<html>

<head>

  <link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.6.4/leaflet.css" />
  <script src="http://cdn.leafletjs.com/leaflet-0.6.4/leaflet.js"></script>
</head>

<body>

  <div id="map" style="height: 180px">
  </div>

  <script>

    var map = L.map('map').setView([53.5, 0.9], 14);

  </script>

</body>

</html>