Mood: The mood of the video appears to be melancholic and nostalgic, with a sense of longing. The presence of a man sitting alone, reading a letter, and the ghostly image of a woman in the background suggests a theme of lost love or separation.

Environment: The video seems to be set in a natural, outdoor environment, possibly a desert or a mountainous region, with a tree and rocky terrain visible in the background. The cloudy sky and the warm glow of the sun suggest a serene and peaceful atmosphere.