Short（短編）

Okutama is an area name that refers to the mountainous area in the western part of Tokyo, and almost the entire area is the water source forest of Tokyo.(Partially recorded)

奥多摩とは、東京都西部の山岳地帯を指す地域名でほぼ全域が東京都の水源林。（一部収録）

* There is also a paid version of "Sound in Nature" which is rich in episodes and has a long version.(Apple podcast only)

ロングバージョンのある有料版「Sound in Nature」もあります。

https://podcasts.apple.com/us/podcast/sound-in-nature/id1569798616