
The entrance to the Pop Martinova hole

The dromos to the Asclepeion at the Kovil plateau

Huge sharapana at the Kovil plateau

The Thracian sanctuary at Shan Kaia

The sharapana at Kazan Kaia

The hermit cell at Kara In

The draining system at Harman Kaia

Well carved sharapana's at Harman Kaia

The entrance to the underworld of the legendary Paroriiski monastery