   # fire dancing
   "55ca293b9bc1892c835b0136": {
     i18name: 'while_loops',
-    url: "https://player.vimeo.com/video/310626741",
+    url: "https://watch.videodelivery.net/1cec5da9a56cd42ade2906cd03c0b82b",
     cn_url: "https://assets.koudashijie.com/videos/%E5%AF%BC%E8%AF%BE03-CodeCombat%E6%95%99%E5%AD%A6%E5%AF%BC%E8%AF%BE-CS1-%E5%BE%AA%E7%8E%AFlogo.mp4",
     title: "While Loops",
     original: "55ca293b9bc1892c835b0136"

  # gems in the deep
  "54173c90844506ae0195a0b4": {
    i18name: 'basic_syntax',
    url: "https://player.vimeo.com/video/310626758",
    cn_url: "https://assets.koudashijie.com/videos/%E5%AF%BC%E8%AF%BE01-%E5%9F%BA%E6%9C%AC%E8%AF%AD%E6%B3%95-Codecombat%20Instruction%20for%20Teachers.mp4",
    title: "Basic Syntax",
    original: "54173c90844506ae0195a0b4",

  # known enemy
  "5452adea57e83800009730ee": {
    i18name: 'variables',
    url: "https://watch.videodelivery.net/239838623c19b13437705ebe69929031",
    cn_url: "https://assets.koudashijie.com/videos/%E5%AF%BC%E8%AF%BE02-%E5%8F%98%E9%87%8F-CodeCombat-CS1-%E5%8F%98%E9%87%8Flogo.mp4",
    title: "Variables",
    original: "5452adea57e83800009730ee"
