In an indoor horse riding arena in Estaimpuis, Belgium, a rider on a light grey horse with a white tail is engaged in a training session. The rider, wearing a helmet and dark attire, sits atop the horse which is moving at a walk or slow trot. Alongside them, a second person, likely an instructor or trainer, walks on the ground holding a whip or long stick, guiding the horse and rider. The arena features a sandy footing, a high ceiling with exposed metal beams, and numerous rectangular skylights that allow natural light. Large windows along one side of the arena offer a glimpse of distant trees and buildings, indicating it is daytime. The scene depicts a focused and calm equestrian training activity.