The Hyperion Sewage Treatment Plant for Los Angeles. Also known as the The Hyperion Water Reclamation Plant, it is Los Angeles’ oldest and largest wastewater treatment facility, operating since 1894. The plant has been expanded and improved numerous times over the last 100+ years. Shot from a passenger plane on departure from LAX en route to Newark.
via Flickr http://flic.kr/p/EytBrS