2
Air pressure organ
(mishathings.org)
This community is for the display and discussion of artwork created by utilizing, depicting, or replicating one or more natural processes. These can include but are not limited to: chemistry, tidal forces, gravity, sediment deposition/erosion, lightning, organic processes, burning, eco-graffiti, pyro-chemography, fractal expressionism, photomicrography, colonization, etc!