{"version":"1.0","type":"rich","width":1200,"height":675,"title":"Muzyka źródeł","description":"jak muzykowano w prehistorii, instrumenty, nawiązania do rytmów afrykańskich w muzyce wpółczesnej ","author_name":"Genially","provider_name":"Genially","provider_url":"https://genially.com","html":"<div style='width: 100%;'><div style='position: relative; padding-bottom:56.25%; padding-top: 0; height: 0;'><iframe frameborder='0' width='1200' height='675' style='position:absolute; top: 0; left: 0; width: 100%; height: 100%;' src='https://view.genially.com/603a5dac29f9910d297d14f4' type='text/html' allowscriptaccess='always' allowfullscreen='true' scrolling='yes' allownetworking='all'></iframe></div></div>","thumbnail_url":"https://thumbnails.genially.com/600f1c3c5a7d3c472b96526c/pdf/70f03fb5-e1e3-41e6-962d-ae063152ff03.png","thumbnail_width":1200,"thumbnail_height":675}