
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