SUMMER MEASUREMENT OF NEGATIVE IONS, TEMPERATURE, PRESSURE AND CONCENTRATION OF THE NEGATIVE IONS IN TUNNELS RAVNE
Field Geologist od the 'Archaeological Park: Bosnian Pyramid of the Sun' Foundation Eng. Mejra Kozlo, regularly measures the basic parameters in the prehistoric Underground Labyrinth Ravne. On July 26th, 2018, measurements were made on twelve locations (control location outside the... More