【This video's guiding points】
The size and shape of igneous rocks can be explained.

【Contents of the video】
This video contains hand-held igneous rocks.

【Filming location】
Seiyo City, Ehime Prefecture

【Other Information】
Filming period: Autumn
Length of video: 10 seconds
Sound: No
BGM: None
Narration/Telop Language: Japanese/English