In east Fort Worth, about a dozen horses pound their hooves into the ground, kicking dirt and grass into the air as a drill captain yells directions to their riders.
The scene takes place in a practice area between homes and woods that border Lake Arlington. Horses graze on nearby land as the smell of manure hangs in the air. Construction cones and fences surround the neighborhood.
Lois Scott, 16, who inherited her passion for horses from her father, is the youngest member of the riding team…