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
ciiciiipizza약 5년That is so COOL...but terrifying...like who knows what is down there...?!!
imsome1약 5년I wonder if there could be any animals down there
wanmeideta약 5년wow it's so pretty and so old.
zella약 5년12,000 Years ago?!
cat4591약 5년looks scary down there. like if you think it's scary down there
wintermidnight약 5년I feel bad for the diver's it looks scary down there :(
ava12345약 5년cool
fish_are_cute약 5년I would love to find a kind o' fish down dare.
robloxmaster약 5년I love to swim...but...I could not do that
poodledoodle약 5년Wow...but that is kind of scary!