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Dong Deyu, a man who has a rare type of blood, has donated his blood to help people in need for more than a decade.

Dubbed as an "oxygen bar in Hefei", the park now covers 10.72 square kilometers, with 75 percent as forest land and 25 percent water area. The vegetation also became more diversified with more than 280 tree species and other flowers and plants. Roads, tracks, rail lines, tourist centers and kiosks have mushroomed in the park, along with bicycle rental sites and tourist rides.

Dressed in traditional clothes, they look like they come from another time. They wield their cormorants, tied together with strings, like puppeteers.

Du said raising leeches has great potential, as China's demand for dried leeches in 2016 was more than 800 metric tons, but domestic farmers only could provide 300 tons.

Dong Xiaoyin is a regular user of beauty booster injections of small molecule hyaluronic acid to keep her skin luminous and glowing.