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Approaching through the Trigrad Canyon in the great Mountain of Rhodope Viewed: 410 times.
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Next group of visitors is assembling Viewed: 367 times.
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The cave is accessed via a 150m long artificial tunnel Viewed: 350 times.
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And here it is - deep beneath the ground. In this huge 60m high hall, called 'Rumbling hall', only the rumble of the waterfall is heard Viewed: 375 times.
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Spectators are amazed. The hall is so huge that the Alexander Nevsky cathedral can get in there. Viewed: 361 times.
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The highest underground waterfall in Europe - 42m high Viewed: 356 times.
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Most challenging is exiting the cave via this 40m high staircase next to the raging waterfall Viewed: 367 times.
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And finally a daylight Viewed: 320 times.
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Steam goes through the top opening of the abyss Viewed: 372 times.
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Here the river of Trigrad falls through Viewed: 380 times.
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Bridge of lovers Viewed: 340 times.
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Leaving the Rumbling Hall the river goes through a system of still unexplored siphons and appears again deep in the canyon Viewed: 348 times.
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They have lost their lives diving and exploring The Throat. Local people say that nothing entered there appeared again. *Viewed: 350 times.
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The Nature is great - Mountain of Rhodope Viewed: 353 times.
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It was a nice journey Viewed: 397 times.
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