Sub-zero temperatures in Lake Superior turned this North American surfer into a "human icicle." But he didn't mind and hopped back on his surfboard. How cold is too cold? - CGTN

Sub-zero temperatures in Lake Superior turned this North American surfer into a "human icicle." But he didn't mind and hopped back on his surfboard. How cold is too cold?

2018-01-06 22:20 GMT+8

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