He's Diving Into Coldest Water On Earth
(CNN) -- Lewis Pugh was standing in the Arctic in a Speedo about to plunge into water just shy of the freezing point when he came to grips with the challenge he was facing.
"My most dominant thought as I was standing on the edge of the sea ice," Pugh said, "was just how frightened I was. The water's completely black; there are chunks of white ice in the water."
Pugh said he remembered thinking that if things went wrong, "How long would it take for my frozen body to sink to the bottom of the ocean?" Pugh didn't sink, and he completed a one-kilometer swim in 29-degree Fahrenheit (or -1.7 degree centigrade) water. (Since it was salt water it was below the normal freezing point of water.) But it came at a price. He lost feeling in his hands for four months.
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