Mood: The mood of the video appears to be epic and adventurous, with a sense of grandeur and heroism. The theme seems to revolve around the making of a historical action film, likely with a focus on visual effects. The overall emotion evoked is one of excitement and anticipation.

Environment: The setting of the video appears to be a rugged, rocky landscape with a dramatic sky, suggesting a mountainous or hilly terrain. The presence of a horse and rider on a hilltop implies a sense of freedom and expansiveness. The time of day seems to be either sunrise or sunset, with warm, golden light casting a dramatic glow.