Excellent ambient sound videos created by "Nick Keomahavong, previously a practicing psychotherapist, has been ordained as a Theravada Buddhist monk in Thailand since 2018."
Dripping Well with Birdsong: youtu.be/W2QBVHfTyvc
Flowy Icy Water Sounds: youtu.be/GG0vUGD-zbo
Toasty Bon Fire: youtu.be/1SdMU8yc6zY
Warm Fireplace (same audio as Bon Fire): youtu.be/EiBT-U-Gx-U
Ocean Waves: youtu.be/DcdPaiuYix4
Cleansing Waterfall: youtu.be/LvqJki_QF_Y
Rain & Thunder: youtu.be/uHdpzNhbXQ0
There are more on his youtube channel. He has apparently done some of the filming himself, and some from online sources.