Lucian Bolca: Devetashka cave, near Lovech, Bulgaria.
Lucian Bolca: Devetashka cave, near Lovech, Bulgaria.
Lucian Bolca: Emen Canyon, Bulgaria
Lucian Bolca: Emen Canyon - 20190428_009
Lucian Bolca: Emen Canyon, Bulgaria
Lucian Bolca: Hotnitsa Canyon - 20190429_001
Lucian Bolca: Kaya Bunar Waterfall, Bulgaria
Lucian Bolca: Krushuna Waterfall - 20190430_001
Lucian Bolca: Orlova Chuka Cave - 20190427_001
Lucian Bolca: Prohodna cave, Bulgaria.
Lucian Bolca: Arbanassi, Veliko Tarnovo, Bulgaria
Lucian Bolca: Arbanassi, Veliko Tarnovo, Bulgaria
Lucian Bolca: Arbanassi, Veliko Tarnovo, Bulgaria
Lucian Bolca: Veliko Tarnovo town, Bulgaria
Lucian Bolca: Veliko Tarnovo town, Bulgaria
Lucian Bolca: Veliko Tarnovo town, Bulgaria