{"version":"1.0","type":"rich","provider_name":"Votur","provider_url":"https://votur.app","title":"Koumbi Saleh, located in southern Mauritania, is believed to have been the capital of which ancient empire?","author_name":"@votur","html":"<iframe src=\"https://votur.app/embed/Q4Uf91zj?l=en\" width=\"560\" height=\"320\" frameborder=\"0\" scrolling=\"no\" title=\"Koumbi Saleh, located in southern Mauritania, is believed to have been the capital of which ancient empire?\" data-votur-id=\"Q4Uf91zj\"></iframe><script src=\"https://votur.app/embed.js\" async></script>","width":560,"height":320,"thumbnail_url":"https://votur.app/og/Q4Uf91zj.jpg?l=en","thumbnail_width":1200,"thumbnail_height":630,"cache_age":3600}