a close up of a thistle flower, rila mountain

200 2925m air alpine astonishing background balkans beautiful blue blurred bulgaria calm clear close colorful cosmic daylight ecological flower fly forest fresh glacial green high highest hot hypnotic insect inviting iskar lakes maritsa meadow mesta monastery mountain musala national nature originate outdoor park peaceful peak pink pure rila rivers shaking sky southwestern springs summer sunshine thistle thorns trees tremendous valley violet wild wind windless