Beishan Broadcasting WallThe Beishan Broadcasting Wall is a propaganda loudspeaker in Jinning Township, Kinmen, Republic of China.HistoryThe structure was built in 1967 as a psychological Cross-Strait warfare instrument directed towards Mainland China. Material such as songs by Taiwanese singer Teresa Teng and speeches inviting enemy soldiers to defect were played through the loudspeakers. Retaliatory speakers also broadcast messages from the other side of the Strait. It was used until the late 1970s.ArchitectureThe stone structure consists of 48 speakers which face the ocean. It stands at a height of around 3-story building.