Homebiogas is a biogas digester that treats organic waste in a local and sustainable way. It produces biogas for cooking and rich fertilizer for your garden.
— Read on www.homebiogas.com/
Ink cap on magnolia stump?
Source: https://youtu.be/Vxwxb5RqUDs
Snapping fresh bamboo with a finger
Source: https://youtu.be/fSaxD0zd7NI