Australian Open Tournament Director Craig Tiley (C) along with Serena Williams (L) and Venus Williams pose for photographs with Australian Open ballkids for a photoshoot session ahead of Australian Open 2017 at Melbourne Park in Melbourne, Australia, Jan. 10, 2017. Australian Open 2017 will take place at Melbourne Park from Jan. 16 to Jan. 29. (Xinhua/Bai Xue)