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☰ ÌÅÍÞ ÊÎÍÒÀÊÒÈ
Ìåæäó 11-15 îêòîìâðè áåøå ïðîâåäåí 11 êîíãðåñ íà Áàëêàíñêîòî ãåîôèçè÷íî äðóæåñòâî. https://bgscongress.org/




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