Eastern Europe - Bulgaria - България - Devetashka Cave - Деветашката пещера - Picturesque large karst cave measuring roughly two kilometres in length with huge entrance chamber some 60 metres in height - One of most beautiful of its kind in world

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Keywords: Bulgaria, Bulgarian, България, Balgariya, Republic of Bulgaria, Република България, Republika Balgariya, Bulharsko, Bulgarie, Balkans, Balkan, Southeast Europe, Europe, European Union, EU, wonderful, fantastic, awesome, stunning, beautiful, breathtaking, incredible, lovely, nice, best, perfect, world, exploration, trip, vacation, holiday, place, destination, location, journey, tour, touring, tourism, tourist, travel, traveling, vacation, visit, visiting, sight, sightseeing

Camera Model: Canon EOS 5DS; Lens: EF16-35mm f/4L IS USM; Focal length: 16.00 mm; Aperture: 11; Exposure time: 3.2 s; ISO: 100

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BulgariaBulgarianБългарияBalgariyaRepublic of BulgariaРепублика БългарияRepublika BalgariyaBulharskoBulgarieBalkansBalkanSoutheast EuropeEuropeEuropean UnionEU