SHENYANG, CHINA - <br /> <br /> Winter Swimmers Exercise In frozen lake<br /> <br />  A man swims in a pool dug in the frozen river at Beiling Park in the smog in Shenyang, Liaoning Province of China. Winter swimmer exercised in the smog in Shenyang. At least 24 cities in North China issued red alerts on Dec 16 as heavy smog will shroud the country\'s northern regions in the following days<br /> ©Exclusivepix Media
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