Troyan monastery #3 by Nikola Gruev
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Rojen observatory by Nikola Gruev
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Colonel Vladimir Serafimov by Nikola Gruev
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Srebarna and Krushuna by andreev22
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BULGARIA 2016 by Wim de Groot
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Panagyurishte by Nikola Gruev
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Momtchilovtsi by Nikola Gruev
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Thracian tombs by andreev22
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The road to Maliovitsa by Nikola Gruev
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Varosha - the old quarter of Lovetch by Nikola Gruev
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National road #1 or international #E79 [Sofia - Dupnitsa - Blagoevgrad - Sandanski - Kulata (to the south)] by Nikola Gruev
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Sofia's new airport by Nikola Gruev
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