"Hambar dere" - Slavyanka Mountain
"Hambar dere" - Slavyanka Mountain
"Valtarya" - Slavyanka Mountain
"Valtarya" - Slavyanka Mountain
"Valtarya" - Slavyanka Mountain
Rock arch at the village Gaytaninovo, Southwestern Bulgaria
Ethnographic Research in the Village of Paril - Southwestern Bulgaria
Ethnographic Research in the Village of Gaitaninovo - Southwestern Bulgaria
Cave near Tsarev Peak - Slavyanka Mountain
Cave near Tsarev Peak - Slavyanka Mountain
Cave near Tsarev Peak - Slavyanka Mountain
Cave near Tsarev Peak - Slavyanka Mountain