The bubbling springs at Hierve el Agua in Oaxaca, Mexico are rich in calcium carbonate and magnesium
© Alvin Starkman, 2012
Source article: Hierve el Agua: Bubbling springs and petrified waterfalls in Oaxaca, Mexico
The bubbling springs at Hierve el Agua in Oaxaca, Mexico are rich in calcium carbonate and magnesium
© Alvin Starkman, 2012
Source article: Hierve el Agua: Bubbling springs and petrified waterfalls in Oaxaca, Mexico