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Bulgaria

Periodic Children's Chants, Unidentified Language, and Disappearance of Specific Sacred Objects in an Abandoned Church, Stara Planina Mountains, Bulgaria

#1301Periodic Children's Chants, Unidentified Language, and Disappearance of Specific Sacred Objects in an Abandoned Church, Stara Planina Mountains, Bulgaria

ApparitionUnexplainedBulgaria

Periodic Bell Chimes, Object Disappearances, and Reports of Extreme Fatigue in an Abandoned Settlement near Devil's Bridge, Rodopi Mountains, Bulgaria

#1269Periodic Bell Chimes, Object Disappearances, and Reports of Extreme Fatigue in an Abandoned Settlement near Devil's Bridge, Rodopi Mountains, Bulgaria

ApparitionUnexplainedBulgaria

Periodic Silent Luminous Aerial Object Appearance and Local Environmental Transformation Incident in the Rila Mountains, Bulgaria

#1203Periodic Silent Luminous Aerial Object Appearance and Local Environmental Transformation Incident in the Rila Mountains, Bulgaria

UFOInvestigatingBulgaria

Bulgaria, Rhodope Mountains: Case of Periodic Temporal Perception Distortion and Spatial Transmutation Near Devil's Bridge

#1157Bulgaria, Rhodope Mountains: Case of Periodic Temporal Perception Distortion and Spatial Transmutation Near Devil's Bridge

Spatial AnomalyInvestigatingBulgaria

Rila Mountains, Case of the Abyssal Infrasound

#1079Rila Mountains, Case of the Abyssal Infrasound

UnclassifiableInvestigatingBulgaria

Rhodope Mountains, The Song of the Vanishing Village in the Fog

#1072Rhodope Mountains, The Song of the Vanishing Village in the Fog

ApparitionInvestigatingBulgaria