Diving is a water sport that involves jumping or falling into water from a platform or springboard, often while performing acrobatic stunts. YACHTING is a recreational activity involving sailing and racing of yachts and other sailing vessels. SWIMMING is a popular water sport in which the participant uses their arms and legs to move through the water. Sailing is a sport involving the use of wind power to propel a boat on the surface of the water. Boating is the activity of travelling by boat, either as a recreational activity or as a means of transportation. POLO is a team sport played on horseback in which the objective is to score goals against an opposing team. CREW is a competitive rowing sport in which teams of rowers race against each other in boats propelled by oars.