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The Devetashka cave it is one of the biggest caves in Bulgaria. It was discovered in 1921, and in 1950s was used as oil depot.
Nowadays, the cave is declared a monument of culture and a protected natural landmark of national and international significance.
Very interesting fact
In this cave was set Hollywood movie with Sylvester Stallone - Expandables2 :)
SWIPE for more picture from the trip
And
Visit my You Tube for more insides馃槉
Link here
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