schulz
Registered: April 2000 Posts: 469

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Agua Azul, a lake in Chiapas, Mexico. This is located in a biosphere reserve and the water is blue due to scattering from calcium carbonate particles. There are a number of waterfalls in the system. Photo from old ASLO slide collection; taken by M. Brenner; scanned by K.L. Schulz.
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