[Varen]

just some useful links and resources that i come across from time to time:

this one is an *excellent* gardening channel, highly recommend! 
https://www.youtube.com/@WellGroundedGardens/videos

[Varen]

https://www.youtube.com/watch?v=_tusH1Zbmx0 a DIY air filter

[Varen]

https://www.youtube.com/watch?v=f0skGsSd3jE this is an interesting exploration of a modern sewage pond - you'd see a lot more examples of these a few centuries ago as the primary means of cleaning water in some areas of asia. 

The scale of it is what I find super impressive - this is TINY!