Gemma Tattersall (GBR) riding SANTIAGO BAY during cross country phase of the Land Rover Burghley Horse Trials in the grounds of Burghley House near Stamford in Lincolnshire in the UK between 5 - 8th September 2019Gemma Tattersall (GBR) riding SANTIAGO BAY during cross country phase of the Land Rover Burghley Horse Trials in the grounds of Burghley House near Stamford in Lincolnshire in the UK between 5 - 8th September 2019