Horses are still very much used as work animals in Afghanistan, predominately for transportation. Because they are so widely used and adaptable they are a source of pride to their owners.
Many of these images show as much about life in Afghan culture as they do about horsemanship. Most of the images show fat, healthy looking horses who are clearly a source of pride (as well as labor) to their owners.
Horse in pashto (Afghan) is aas
Horse in dari (Farsi) is 
Image from jorr81
Image from munir
Image from machina
Image from munir
Image from munir
Image from lafrancevi
Image from lafrancevi
Image from Todd Huffman
Be sure to check out more horse pictures of the world.
حصان is not Persian, it’s Arabic.
اسب is Persian for horse.