Equestrian events first appeared on the Paralympic programme at the 1984 Games held in Stoke Mandeville and New York, and have featured at every Games since Atlanta 1996.
Greenwich Park is London’s oldest enclosed Royal Park, dating back to 1433, and is part of the Greenwich World Heritage site and home to the Prime Meridian Line.
The first World Championships took place in Sweden in 1987.
Great Britain's Lee Pearson has won nine Paralympic gold medals at three successive Games, along with six world titles. He has a remarkable 100 per cent success rate in Paralympic competition.
Visually impaired riders are permitted to use callers to help them navigate around the arena. Norway's Ann Cecile Orr rode to a whistle on her way to winning two silver medals at Sydney 2000 – she is totally blind.