A woman is riding a horse inside an indoor equestrian arena. The woman is wearing a black helmet, a grey vest, grey riding pants, and black boots. The horse is light brown with white markings on its face and legs, wearing a saddle and bridle. They are moving at a trot along the arena wall, which is made of yellow wooden slats. The arena floor is covered in brown dirt or sand. The arena structure has a white roof and dark green walls above the wooden slats. A sign with the letter "B" is affixed to the wall. The camera is stationary.