<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width,initial-scale=1.0" />
    <title>dc-example</title>
    <script src="/libs/dc-sdk/dc.min.js"></script>
    <script src="https://cesium.com/downloads/cesiumjs/releases/1.131/Build/Cesium/Cesium.js"></script>
    <link href="/libs/dc-sdk/dc.min.css" type="text/css" rel="stylesheet" />
    <link
      href="https://cesium.com/downloads/cesiumjs/releases/1.125/Build/Cesium/Widgets/widgets.css"
    