The horse rockart are symbolic and the drawing repeats in many rocks. The rider is drawn with spreaded hands which creates the symbol of a cross. This is intentional and is an ancient symbol of the sun.
The horse ignited the artist imagination. When first mounted the horse the magic scenes from high above inspired him. The horse carried him fast and he quickly reached worlds never seen before. His imagination flared, and he decided that this magnificent animal would fit the glory of his gods. He chose the horse to carry the sun through the sky.