{"version":"1.0","type":"rich","provider_name":"Votur","provider_url":"https://votur.app","title":"What unique feature makes Stockholm's metro system often referred to as \"the world's longest art gallery\"?","author_name":"@votur","html":"<iframe src=\"https://votur.app/embed/gNZLnU8L?l=en\" width=\"560\" height=\"320\" frameborder=\"0\" scrolling=\"no\" title=\"What unique feature makes Stockholm&#39;s metro system often referred to as &quot;the world&#39;s longest art gallery&quot;?\" data-votur-id=\"gNZLnU8L\"></iframe><script src=\"https://votur.app/embed.js\" async></script>","width":560,"height":320,"thumbnail_url":"https://votur.app/og/gNZLnU8L.jpg?l=en","thumbnail_width":1200,"thumbnail_height":630,"cache_age":3600}