BULGARIA Filter By: AllBulgaria Buzludzha Monument-1 Buzludzha Monument-8 Buzludzha Monument-18 Buzludzha Monument-39 buzludzha Buzludzha Monument-40 Sofia Sofia Buzludzha roof Sofia Buzludzha – on the roof Buzludzha Monument-65 Buzludzha Monument-20 Sofia Buzludzha Monument-44 Buzludzha Monument-28 Sofia Buzludzha Monument-58 Sofia Buzludzha Monument-21 Buzludzha Monument-52 Sofia Buzludzha