Belogradchik cliff rocks and wall at ancient Kaleto fortress, Bulgaria
Belogradchik cliff rocks and wall at ancient Kaleto fortress, Bulgaria size: 830772 sha1: 804355b437577663f5e903898893f36f91871982 sha256: 9321ee839de80e866e97f4b3f89b81e4e760bf9af1204813af0b52304897fa35 size: 746143 sha1: 6fb7d3475be2786ebf956e506d7f409485d6f418 sha256: 6b197fff0968c320032db6a1ab4cd41f2d8a012ab75ab4406d67094a13e20a8a