There is JS code at the end of the article for some reason:

   !function(){"use 
   strict";window.addEventListener("message",(function(e) 
   {if(void 0!==e.data["datawrapper-height"]){var 
   t=document.querySelectorAll("iframe");for(var a in 
   e.data["datawrapper-height"])for(var r=0;r