{"version":"1.0","provider_name":"P\u0142ytnik Pospolity - ma\u0142a strona o wielkiej p\u0142ycie i nie tylko","provider_url":"https:\/\/plytnikpospolity.pl","author_name":"P\u0142ytnik Pospolity","author_url":"https:\/\/plytnikpospolity.pl\/index.php\/author\/plytnik\/","title":"Radziecka seria blok\u00f3w 137 - P\u0142ytnik Pospolity - ma\u0142a strona o wielkiej p\u0142ycie i nie tylko","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"iZm2ERNqRU\"><a href=\"https:\/\/plytnikpospolity.pl\/index.php\/2025\/04\/06\/radziecka-seria-blokow-137\/\">Radziecka seria blok\u00f3w 137<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/plytnikpospolity.pl\/index.php\/2025\/04\/06\/radziecka-seria-blokow-137\/embed\/#?secret=iZm2ERNqRU\" width=\"600\" height=\"338\" title=\"&#8222;Radziecka seria blok\u00f3w 137&#8221; &#8212; P\u0142ytnik Pospolity - ma\u0142a strona o wielkiej p\u0142ycie i nie tylko\" data-secret=\"iZm2ERNqRU\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/plytnikpospolity.pl\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/plytnikpospolity.pl\/wp-content\/uploads\/2025\/04\/obraz-16.png","thumbnail_width":1693,"thumbnail_height":726,"description":"Druga po\u0142owa lat siedemdziesi\u0105tych XX to okres intensywnej dzia\u0142alno\u015bci budownictwa mieszkaniowego z wielkiej p\u0142yty, zar\u00f3wno w Polsce, jak i innych krajach bloku wschodniego. Dzisiejszy wpis b\u0119dzie dotyczy\u0142 projektu serii blok\u00f3w 137, pochodz\u0105cych z \u00f3wczesnego Leningradu. Generalny plan rozwoju Leningradu zak\u0142ada\u0142 budow\u0119 30 milion\u00f3w metr\u00f3w kwadratowych powierzchni mieszkaniowej w ci\u0105gu 20 lat. Dlatego w\u0142a\u015bnie in\u017cynierowie poszukiwali..."}