Li Na (center L) of China and Stan Wawrinka (center R) of Switzerland arrive at the official draw ceremony of 2015 Australian Open tennis tournament at Melbourne Park in Melbourne, Australia, Jan. 16, 2015. (Xinhua/Bai Xue)
Li Na (center L) of China and Stan Wawrinka (center R) of Switzerland arrive at the official draw ceremony of 2015 Australian Open tennis tournament at Melbourne Park in Melbourne, Australia, Jan. 16, 2015. (Xinhua/Bai Xue)
