Scientists Get Ready To Explore A 425-Foot-Deep "Blue Hole" Off Florida's Gulf Coast
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Scattered across the ocean bed, and often hidden from the human eye, are hundreds, or perhaps even thousands, of "blue holes." The massive underwater sinkholes, which host a diverse biological community — ranging from coral to sponges to sharks to sea turtles — were formed thousands of years ago when groundwater dissolved karst, a type of porous limestone rock found on ocean floors.
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지금 학습 시작하기댓글 243개
ciiciiipizza4년 이상That is so COOL...but terrifying...like who knows what is down there...?!!
imsome14년 이상I wonder if there could be any animals down there
wanmeideta4년 이상wow it's so pretty and so old.
zella4년 이상12,000 Years ago?!
cat45914년 이상looks scary down there. like if you think it's scary down there
wintermidnight4년 이상I feel bad for the diver's it looks scary down there :(
ava123454년 이상cool
fish_are_cute4년 이상I would love to find a kind o' fish down dare.
robloxmaster4년 이상I love to swim...but...I could not do that
poodledoodle4년 이상Wow...but that is kind of scary!