Close up of the world's most dangerous sharks

Jim Abernethy, a 52-year-old American diver, has spent 35 years researching and living with the most dangerous sharks on Earth, such as tiger sharks, great white sharks, lemon sharks .

Jim Abernethy has a very close relationship with giant sharks in the Bahamas, Mexico and South Africa. He could swim with them for hours without worrying that they could endanger his life. Since then, American diving experts have recorded countless close-up images of various types of sharks in the waters above.

Here are some shark close-up images recorded by Jim Abernethy:

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