Dunes at Cuatro cienegas
On the Cuatro Cienegas Valley, there is a part that is more desert like with dunes, most of it from gypsum.
A desert like landscape.
Unfortunately the area has only 10 years of being declared biological reserve, so before that the area was mined to extract the gypsum, so at the moment dunes are small and few.
The rock formation saw here is a Dune Heart, is the gypsum that went solidified at the center of the dune due to rains, heat and weight. And since it was not as cheap to extract it, it was left over after.
This one is interesting, looks like a castle fortress.
One can see a few spot where sand has beginning to gather, maybe in a few years, this will be covered again.
Kisses
Jessica
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