This reminds me of the cooling systems used by termites: https://www.nytimes.com/2019/03/26/science/termite-nest-ventilation.html https://www.nytimes.com/2019/

This reminds me of the cooling systems used by termites: https://www.nytimes.com/2019/03/26/science/termite-nest-ventilation.html https://www.nytimes.com/2019/03/26/science/termite-nest-vent...