The video I reviewed was a National Geographic film called Mysteries Underground.
This video was about extraordinary sites there are to see in underground caves. You traveled along with cave explorers and got to see all the beautiful untouched natural formations such as gypsum chandeliers, gnarled calcite columns, and jewel-like lakes. It showed and talked about all the careful proceders the cave explorers go through. It also talked about how the formations were made over
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