Rock Phenomenon (24)
   Bulgaria |
| Rock Phenomenon BG-Aitos, 3 Petrified Brothers |
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| Rock Phenomenon BG-Asparuhovo, Wonderful Rocks |
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| Rock Phenomenon BG-Beli Plast, Stone Mushrooms |
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| Rock Phenomenon BG-Belogradchik, The Rocks |
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| Rock Phenomenon BG-Beloslav, Pobitite Kamani |
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| Rock Phenomenon BG-Borino, The Devil Bridge |
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| Rock Phenomenon BG-Devin, The Elephant |
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| Rock Phenomenon BG-Dobromirtsi, Rocks Formation |
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| Rock Phenomenon BG-Dobrotitsa, The Acute Rock |
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| Rock Phenomenon BG-Gortalovo, Karst canyon Chernelka |
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