#HTE
Salt ponds are seen on San Francisco Bay in northern California, USA. Here water is channelled into large ponds and exits through natural evaporation. The salt that remains can then be collected. The massive ponds get their vibrant reddish colors from the algae that thrive in the extremely salty water. Approximately 80% of this wetlands area – approximately 16,500 acres – has been developed for salt mining.
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Source imagery: DigitalGlobe
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