Pretty cool and thorough explanation of how the ponds, springs, and sinkholes form. Skip down to "From Aquifer to Spring" for the interesting stuff.
also:
Costa Rica is famous for its blue rivers and nothing can compare to the unique celeste color of the water here.
The waters of a blue river are infused with magical minerals from the volcanic activity deep under the Rincon de la Vieja turning the river, a special effervescent blue that must be seen in person to believe.
busy_yogurt on December 28th, 2018 at 08:56 UTC »
There are springs like this in Florida.
Pretty cool and thorough explanation of how the ponds, springs, and sinkholes form. Skip down to "From Aquifer to Spring" for the interesting stuff.
also:
Costa Rica is famous for its blue rivers and nothing can compare to the unique celeste color of the water here.
The waters of a blue river are infused with magical minerals from the volcanic activity deep under the Rincon de la Vieja turning the river, a special effervescent blue that must be seen in person to believe.
PoweRaider on December 28th, 2018 at 08:56 UTC »
Pond fed by an underground mineral spring high in copper sulfate.
JAM35FH1 on December 28th, 2018 at 09:59 UTC »
Would it be safe to swim in that pond considering it has copper sulfate