https://www.yankodesign.com/2021/12/27/metal-lungs-concept-uses-algae-to-suck-in-atmospheric-carbon-dioxide-and-replace-it-with-oxygen/#:~:text=Reviews-,Metal%20lungs%20concept%20uses%20algae%20to%20suck%20in%20atmospheric,and%20replace%20it%20with%20oxygen&text=This%20is%20a%20function%20made,replace%20100%25%20of%20the%20air.
banner art by Michal Lisowski
