Create a scene where an old shaman, dressed in ornate robes and natural adornments, rides majestically upon a dark-coated horse, while serenely observing the horizon. Sunlight filters through ancient trees in the background, casting mysterious shadow patterns upon the land, while the wind stirs the leaves and branches. The horse, imposing yet calm, appears to be in perfect harmony with the shaman, reflecting his wisdom and connection with nature. The atmosphere is laden with mystery and power, suggesting an imminent spiritual journey.