Black Horse (in black) and Wild Wolf (in yellow), both professional Beijing teams, present themselves before the Horse-Ball Invitational Tournament in Beijing on Sunday. 

Angel Geng, the only female player at the Horse-ball Invitational Tournament. Equestrian sports are unique in that men and women are evaluated equally, and horse-ball is not an exception: Men and women compete together at all levels, making horse-ball one of the rare mixed-gender team sports. 

Spectators at the Horse-Ball Invitational Tournament in Beijing on Sunday.