{"id":9496,"date":"2020-12-10T17:03:34","date_gmt":"2020-12-10T16:03:34","guid":{"rendered":"https:\/\/loginlublin.pl\/?post_type=czy-wiesz-ze&#038;p=9496"},"modified":"2020-12-10T17:03:34","modified_gmt":"2020-12-10T16:03:34","slug":"did-you-know-that-one-of-the-worlds-oldest-salt-mines","status":"publish","type":"czy-wiesz-ze","link":"https:\/\/loginlublin.pl\/en\/czy-wiesz-ze\/did-you-know-that-one-of-the-worlds-oldest-salt-mines\/","title":{"rendered":"Did you know that one of the world&#8217;s oldest salt mines&#8230;"},"content":{"rendered":"<p>Did you know that one of the world&#8217;s oldest salt mines &#8211; the Salt Mine in Wieliczka (Kopalnia Soli Wieliczka) is in Poland. It was built in the XIII century. It is a corridor and gallery of seven underground levels at a depth of 57 m to 198 m with a total length of over 200 km. The salt mine has been a UNESCO World Heritage Site since 1978.<\/p>\n<div id=\"themify_builder_content-9496\" data-postid=\"9496\" class=\"themify_builder_content themify_builder_content-9496 themify_builder tf_clear\">\n    <\/div>\n<!-- \/themify_builder_content -->\n<div class=\"ptb-search-container\" style=\"display: none;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Did you know that one of the world&#8217;s oldest salt mines &#8211; the Salt Mine in Wieliczka (Kopalnia Soli Wieliczka) is in Poland. It was built in the XIII century. It is a corridor and gallery of seven underground levels at a depth of 57 m to 198 m with a total length of over [&hellip;]<\/p>\n","protected":false},"featured_media":9495,"parent":0,"menu_order":0,"template":"","kat_czy_wiesz":[152,160],"ptb_metabox":[],"ptb_taxonomy":{"kat_czy_wiesz":[{"term_id":152,"name":"Culture","slug":"culture","term_group":0,"term_taxonomy_id":152,"taxonomy":"kat_czy_wiesz","description":"","parent":0,"count":4,"filter":"raw"},{"term_id":160,"name":"Tourism","slug":"tourism","term_group":0,"term_taxonomy_id":160,"taxonomy":"kat_czy_wiesz","description":"","parent":0,"count":17,"filter":"raw"}]},"ptb_featured_image":{"url":"https:\/\/loginlublin.pl\/wp-content\/uploads\/2020\/12\/1920px_kopalnia-soli-wieliczka-kopalnia-wiedzy-wirtualny-spacer-po-kopalni-soli-wieliczka-2-700-465-19-03-2020.jpg","title":"L'\u00e9glise souterraine des mines de sel de Wieliczka pr\u00e8s de Cracovie","caption":""},"_links":{"self":[{"href":"https:\/\/loginlublin.pl\/en\/wp-json\/wp\/v2\/czy-wiesz-ze\/9496"}],"collection":[{"href":"https:\/\/loginlublin.pl\/en\/wp-json\/wp\/v2\/czy-wiesz-ze"}],"about":[{"href":"https:\/\/loginlublin.pl\/en\/wp-json\/wp\/v2\/types\/czy-wiesz-ze"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/loginlublin.pl\/en\/wp-json\/wp\/v2\/media\/9495"}],"wp:attachment":[{"href":"https:\/\/loginlublin.pl\/en\/wp-json\/wp\/v2\/media?parent=9496"}],"wp:term":[{"taxonomy":"kat_czy_wiesz","embeddable":true,"href":"https:\/\/loginlublin.pl\/en\/wp-json\/wp\/v2\/kat_czy_wiesz?post=9496"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}