A Blog About Film Photography and Film Cameras: Traditional, Experimental, and Alternative Processes.
Nice surroundings. Wonder what makes the water so murky.
My husband asked the same question. I couldn't find any direct evidence in water quality information that would explain it. But I would guess that it is some type of algae that enjoys the year-round 147 degree F temperature and exposure to sunlight. The original building would have had a roof, so no algae.