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