{"id":1590,"date":"2025-10-15T06:30:13","date_gmt":"2025-10-15T06:30:13","guid":{"rendered":"https:\/\/rivers.gr\/?p=1590"},"modified":"2025-10-18T15:27:15","modified_gmt":"2025-10-18T15:27:15","slug":"opencall-idatinos-kosmos-3","status":"publish","type":"post","link":"https:\/\/rivers.gr\/en\/2025\/10\/opencall-idatinos-kosmos-3\/","title":{"rendered":"\u0391\u039d\u039f\u0399\u039a\u03a4\u0397 \u03a0\u03a1\u039f\u03a3\u039a\u039b\u0397\u03a3\u0397 \u03a3\u03a5\u039c\u039c\u0395\u03a4\u039f\u03a7\u0397\u03a3 \u0394\u03b9\u03ae\u03bc\u03b5\u03c1\u03bf \u039a\u03b9\u03bd\u03b7\u03bc\u03b1\u03c4\u03bf\u03b3\u03c1\u03b1\u03c6\u03b9\u03ba\u03cc \u0395\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03bf \u039a\u03b9\u03bd\u03b7\u03bc\u03b1\u03c4\u03bf\u03b3\u03c1\u03b1\u03c6\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf\u03bd \u201c\u03a5\u03b4\u03ac\u03c4\u03b9\u03bd\u03bf \u03ba\u03cc\u03c3\u03bc\u03bf\u201d:\u0397 \u03c1\u03b5\u03c5\u03c3\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03c6\u03cd\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2"},"content":{"rendered":"<p><\/p>\n\n\n\n<p><\/p>\n\n\n<div id=\"pl-1289\" class=\"panel-layout\">\n<div id=\"pg-1289-0\" class=\"panel-grid panel-no-style\">\n<div id=\"pgc-1289-0-0\" class=\"panel-grid-cell\" data-weight=\"1\">\n<div id=\"panel-1289-0-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"0\" data-style=\"{&quot;background_image_attachment&quot;:false,&quot;background_display&quot;:&quot;tile&quot;,&quot;background_image_size&quot;:&quot;full&quot;,&quot;border_thickness&quot;:&quot;1px&quot;}\">\n<div class=\"so-widget-sow-editor so-widget-sow-editor-base\">\n<div class=\"siteorigin-widget-tinymce textwidget\">\n<p><strong><em>\u0395\u039b\u039b\u0397\u039d\u0399\u039a\u039f \u0394\u0399\u039a\u03a4\u03a5\u039f\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/em><\/strong><\/p>\n<p><strong><em>\u0394\u0397\u039c\u03a9\u039d \u03bc\u03b5 \u03a0\u039f\u03a4\u0391\u039c\u0399\u0391<\/em><\/strong><em>\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/em><\/p>\n<p><strong><u>\u0391\u039d\u039f\u0399\u039a\u03a4\u0397 \u03a0\u03a1\u039f\u03a3\u039a\u039b\u0397\u03a3\u0397 \u03a3\u03a5\u039c\u039c\u0395\u03a4\u039f\u03a7\u0397\u03a3<\/u><\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p>\u03a4\u03bf \u0395\u03c5\u03c1\u03c9\u03c0\u03b1\u03ca\u03ba\u03cc \u03a6\u03b5\u03c3\u03c4\u03b9\u03b2\u03ac\u03bb \u039a\u03b9\u03bd\u03b7\u03bc\u03b1\u03c4\u03bf\u03b3\u03c1\u03ac\u03c6\u03bf\u03c5 \u03a4\u03b1\u03b9\u03bd\u03b9\u03ce\u03bd \u039c\u03b9\u03ba\u03c1\u03bf\u03cd \u039c\u03ae\u03ba\u03bf\u03c5\u03c2 \u03bc\u03b5 \u03b8\u03ad\u03bc\u03b1: \u2018\u03a5\u03b4\u03ac\u03c4\u03b9\u03bd\u03bf\u03c2 \u039a\u03cc\u03c3\u03bc\u03bf\u03c2\u2019, \u00ab\u03a0\u03bf\u03c4\u03ac\u03bc\u03b9\u03b1: \u0396\u03c9\u03ae\u03c2 \u0395\u03c5\u03b5\u03c1\u03b3\u03ad\u03c4\u03b5\u03c2\u00bb \u03c0\u03bf\u03c5 \u03b8\u03b1 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03b8\u03b5\u03af \u03c3\u03c4\u03b1 \u03a4\u03c1\u03af\u03ba\u03b1\u03bb\u03b1 \u03b1\u03c0\u03cc <strong>20 \u03ad\u03c9\u03c2 23 \u039d\u03bf\u03b5\u03bc\u03b2\u03c1\u03af\u03bf\u03c5 2025<\/strong>, \u03c6\u03b9\u03bb\u03bf\u03be\u03b5\u03bd\u03b5\u03af \u03ad\u03bd\u03b1 \u03be\u03b5\u03c7\u03c9\u03c1\u03b9\u03c3\u03c4\u03cc <strong>\u03b4\u03b9\u03ae\u03bc\u03b5\u03c1\u03bf \u039a\u03b9\u03bd\u03b7\u03bc\u03b1\u03c4\u03bf\u03b3\u03c1\u03b1\u03c6\u03b9\u03ba\u03cc \u0395\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03bf<\/strong> \u03bc\u03b5 \u03b5\u03b9\u03c3\u03b7\u03b3\u03b7\u03c4\u03ae \u03c4\u03bf\u03bd \u03ba\u03b1\u03c4\u03b1\u03be\u03b9\u03c9\u03bc\u03ad\u03bd\u03bf \u03c3\u03ba\u03b7\u03bd\u03bf\u03b8\u03ad\u03c4\u03b7 <strong>\u0392\u03b1\u03c3\u03af\u03bb\u03b7 \u039b\u03bf\u03c5\u03bb\u03ad<\/strong>.<\/p>\n<p>\u039f \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03cc\u03c2 \u03c4\u03b1\u03b9\u03bd\u03b9\u03ce\u03bd <em>\u00ab\u039c\u03b9\u03b1 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03bf\u03b9\u03ba\u03bf\u03b3\u03ad\u03bd\u03b5\u03b9\u03b1\u00bb<\/em>, <em>\u00ab\u03a3\u03c5\u03bd\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03bc\u03b5 \u03c4\u03b7 \u03bc\u03b7\u03c4\u03ad\u03c1\u03b1 \u03bc\u03bf\u03c5 \u039b\u03ad\u03bb\u03b1 \u039a\u03b1\u03c1\u03b1\u03b3\u03b9\u03ac\u03bd\u03bd\u03b7\u00bb<\/em>, <em>\u00ab\u03a6\u03b9\u03bb\u03b9\u03ac \u03b5\u03b9\u03c2 \u03c4\u03b1 \u03c0\u03b1\u03b9\u03b4\u03b9\u03ac\u00bb<\/em>, <em>\u00ab\u03a0\u03ad\u03c1\u03b1\u03c3\u03b1 \u03ba\u03b9 \u03b5\u03b3\u03ce \u03b1\u03c0\u03cc \u03ba\u03b5\u03b9 \u03ba\u03b9 \u03b5\u03af\u03c7\u03b1 \u03c0\u03b1\u03c0\u03bf\u03cd\u03c4\u03c3\u03b9\u03b1 \u03b1\u03c0\u03cc \u03c7\u03b1\u03c1\u03c4\u03af\u00bb<\/em> \u03ba\u03b1\u03b9 \u03ac\u03bb\u03bb\u03c9\u03bd \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ce\u03bd \u03ad\u03c1\u03b3\u03c9\u03bd, \u03b8\u03b1 \u03ba\u03b1\u03b8\u03bf\u03b4\u03b7\u03b3\u03ae\u03c3\u03b5\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03ad\u03c7\u03bf\u03bd\u03c4\u03b5\u03c2 \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03cc \u03c4\u03b1\u03be\u03af\u03b4\u03b9 \u03ba\u03b9\u03bd\u03b7\u03bc\u03b1\u03c4\u03bf\u03b3\u03c1\u03ac\u03c6\u03b7\u03c3\u03b7\u03c2, \u03cc\u03c0\u03bf\u03c5 \u03b7 <strong>\u03c1\u03b5\u03c5\u03c3\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03c6\u03cd\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2<\/strong> \u03b8\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03b5\u03b9 \u03c0\u03b7\u03b3\u03ae \u03ad\u03bc\u03c0\u03bd\u03b5\u03c5\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03b1\u03bb\u03bb\u03b9\u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ae\u03c2 \u03b1\u03bd\u03b1\u03b6\u03ae\u03c4\u03b7\u03c3\u03b7\u03c2.<\/p>\n<p>\ud83d\udcc5 <strong>\u0397\u03bc\u03b5\u03c1\u03bf\u03bc\u03b7\u03bd\u03af\u03b5\u03c2 \u03b4\u03b9\u03b5\u03be\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2:<\/strong><\/p>\n<ul>\n<li><strong>\u03a0\u03b1\u03c1\u03b1\u03c3\u03ba\u03b5\u03c5\u03ae 21 \u039d\u03bf\u03b5\u03bc\u03b2\u03c1\u03af\u03bf\u03c5 2025<\/strong>, 15:30 \u2013 21:00<\/li>\n<li><strong>\u03a3\u03ac\u03b2\u03b2\u03b1\u03c4\u03bf 22 \u039d\u03bf\u03b5\u03bc\u03b2\u03c1\u03af\u03bf\u03c5 2025<\/strong>, 13:30 \u2013 18:30<\/li>\n<\/ul>\n<p>\ud83d\udccd <strong>\u03a7\u03ce\u03c1\u03bf\u03c2 \u03b4\u03b9\u03b5\u03be\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2:<\/strong> \u039c\u03bf\u03c5\u03c3\u03b5\u03af\u03bf \u03a4\u03c3\u03b9\u03c4\u03c3\u03ac\u03bd\u03b7, \u03a4\u03c1\u03af\u03ba\u03b1\u03bb\u03b1<\/p>\n<p>\u0397 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03bf\u03c7\u03ae \u03c3\u03c4\u03bf \u0395\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 <strong>\u03b4\u03c9\u03c1\u03b5\u03ac\u03bd<\/strong>, \u03c9\u03c3\u03c4\u03cc\u03c3\u03bf \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 <strong>\u03c0\u03c1\u03bf\u03b5\u03b3\u03b3\u03c1\u03b1\u03c6\u03ae<\/strong> \u03bc\u03ad\u03c3\u03c9 \u03c4\u03b7\u03c2 \u03b5\u03b9\u03b4\u03b9\u03ba\u03ae\u03c2 \u03c6\u03cc\u03c1\u03bc\u03b1\u03c2 <strong>\u00ab\u0391\u03af\u03c4\u03b7\u03c3\u03b7 \u03a3\u03c5\u03bc\u03bc\u03b5\u03c4\u03bf\u03c7\u03ae\u03c2\u00bb, \u03ad\u03c9\u03c2 05 \u039d\u03bf\u03b5\u03bc\u03b2\u03c1\u03af\u03bf\u03c5 2025. <\/strong>\u039f\u03b9 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03ad\u03c7\u03bf\u03bd\u03c4\u03b5\u03c2\/\u03bf\u03c5\u03c3\u03b5\u03c2 (\u03bc\u03ad\u03c7\u03c1\u03b9 20 \u03ac\u03c4\u03bf\u03bc\u03b1) \u03b8\u03b1 \u03b5\u03c0\u03b9\u03bb\u03b5\u03b3\u03bf\u03cd\u03bd \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03b5\u03b9\u03c3\u03b7\u03b3\u03b7\u03c4\u03ae.<\/p>\n<br \/>\n<p><a href=\"https:\/\/docs.google.com\/forms\/d\/e\/1FAIpQLSdn_c7QkTWYCYrN4KZpFNWvQM8IKoigBBWOiAm93eVd3U5s1w\/viewform?usp=header\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1592\" src=\"https:\/\/rivers.gr\/wp-content\/uploads\/2025\/10\/Untitled-1.jpg\" alt=\"\" width=\"298\" height=\"45\" \/><\/a><\/p>\n<p>\u03a3\u03c4\u03bf\u03bd \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03bc\u03bf \u03b8\u03b1 \u03b2\u03c1\u03b5\u03af\u03c4\u03b5 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf \u03c4\u03bf\u03c5 \u039a\u03b9\u03bd\u03b7\u03bc\u03b1\u03c4\u03bf\u03b3\u03c1\u03b1\u03c6\u03b9\u03ba\u03bf\u03cd \u0395\u03c1\u03b3\u03b1\u03c3\u03c4\u03b7\u03c1\u03af\u03bf\u03c5, \u03c4\u03bf\u03c5\u03c2 \u03cc\u03c1\u03bf\u03c5\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03c1\u03bf\u03cb\u03c0\u03bf\u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03bf\u03c7\u03ae\u03c2 \u03ba\u03b1\u03b8\u03ce\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03ba\u03c1\u03b9\u03c4\u03ae\u03c1\u03b9\u03b1 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae\u03c2 \u03c4\u03c9\u03bd \u03c5\u03c0\u03bf\u03c8\u03b7\u03c6\u03af\u03c9\u03bd.\u00a0<\/p>\n<br \/>\n<p><a href=\"https:\/\/rivers.gr\/wp-content\/uploads\/2025\/10\/\u0391\u03bd\u03b1\u03bb\u03c5\u03c4\u03b9\u03ba\u03ad\u03c2-\u03a0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2-\u03b3\u03b9\u03b1-\u03c4\u03bf-\u03b4\u03b9\u03ae\u03bc\u03b5\u03c1\u03bf-\u0395\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03bf-UPDATE-2.pdf\"><span style=\"color: #0000ff;\"><strong>\u0391\u03bd\u03b1\u03bb\u03c5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03a0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2 &#8211; \u0395\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03bf PDF<\/strong><\/span><\/a><\/p>\n<p>\u03a4\u03bf \u0395\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03bf \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c0\u03bb\u03b1\u03af\u03c3\u03b9\u03bf \u03c4\u03bf\u03c5 \u0395\u03c5\u03c1\u03c9\u03c0\u03b1\u03ca\u03ba\u03bf\u03cd \u03a6\u03b5\u03c3\u03c4\u03b9\u03b2\u03ac\u03bb \u03a4\u03b1\u03b9\u03bd\u03b9\u03ce\u03bd \u039c\u03b9\u03ba\u03c1\u03bf\u03cd \u039c\u03ae\u03ba\u03bf\u03c5\u03c2, \u03c0\u03bf\u03c5 \u03b4\u03b9\u03bf\u03c1\u03b3\u03b1\u03bd\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf <strong>\u0395\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03cc \u0394\u03af\u03ba\u03c4\u03c5\u03bf \u0394\u03ae\u03bc\u03c9\u03bd \u03bc\u03b5 \u03a0\u03bf\u03c4\u03ac\u03bc\u03b9\u03b1<\/strong>, \u03c3\u03b5 \u03c3\u03c5\u03bd\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03bc\u03b5 \u03c4\u03bf\u03bd <strong>\u0394\u03ae\u03bc\u03bf \u03a4\u03c1\u03b9\u03ba\u03ba\u03b1\u03af\u03c9\u03bd<\/strong>, \u03bc\u03b5 \u03c4\u03b7 <strong>\u03c7\u03c1\u03b7\u03bc\u03b1\u03c4\u03bf\u03b4\u03cc\u03c4\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03a0\u03c1\u03ac\u03c3\u03b9\u03bd\u03bf\u03c5 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