Terceira: Pyramidal structure found by amateur sailor not man-made – Azores
09 October 2013
An underwater pyramidal shaped structure identified by amateur sailor Diocleciano Silva, at a depth of 40 meters off the coast of Terceira Island, most likely ”not man-made,” according to Portuguese Navy bathymetry experts. The structure found by Silva had been previously documented by the Portuguese Navy and was known to bathymetric researchers – they said. […]












