Beautiful and immense caves, like this one in Mexico, were formed over thousands of years and discovered by accident.
Chemical processes occurring deep within the Earth have created these amazing structures.
Watch our short video to discover how these breathtaking crystals are made.
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Jan 10, 2023
This month on Newsdesk: A giant volcano erupts, sharks film seagrass, and scientists film strange octopus behaviour.Dec 13, 2022
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This month on Newsdesk: Hurricane Ian floods Florida, designing wearable muscles, and a space photography contest.