Devetashka Cave2021-08-29 Part of: Bulgaria 2021 | Previous: The Stone Ships A huge cave with an underground river. It has been used for shelter, as a refuge, as a military base, and as a storage for oil. 2021-08-12 17:02Bulgaria 2021, Devetashka Cave, HDR2021-08-12 17:06Bulgaria 2021, Devetashka Cave, HDR2021-08-12 17:11Bulgaria 2021, Devetashka Cave, HDR2021-08-12 17:21Bulgaria 2021, Devetashka Cave, HDR Next: Shipka Memorial Church2021-08-29Shipka Memorial ChurchThe Stone Ships#Bulgaria 2021Devetashka Cave, Devetaki, BulgariaBulgaria 2021: Tomb of Seuthes III, Buzludzha Monument, The House of Humor and Satire, Vazova Trail, Hagia Sophia Church, Ledenika, Church of St Paraskevi, More...