Italian title reads 'L'Etna in Collera'.
Aerial views of Mount Etna live volcano recent eruption with molten rocks and burning ash rushing out. Various shots of the scientists from vulcanological institute going out and inspecting the volcano. One of them explains what was found - natural sound. GV. Mount Etna during eruption.
Date found in the old record - 20/04/1964.
- Science & Technology