Novak Djokovic of Serbia attends a training session ahead of the Australian Open 2018 at Melbourne Park in Melbourne, Australia, Jan. 14, 2018. (Xinhua/Bai Xuefei)
Djokovic attends training session before Australian Open
Source: Xinhua| 2018-01-14 22:32:18|Editor: Yamei
KEY WORDS:Djokovic
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