I went Nakatsugawa Mineral Museum in Yoake no Mori - Kirameki Park.
I saw a musical instrument of stones.
It beautifully sounds when I percussed it by a stick.
Ref. Nakatsugawa Mineral Museum (in Japanese)
Posted by NI-Lab. (@nilab)
This diary/blog is written by NI-Lab.
i am living in Japan and learning English.