Mood: The mood of the video appears to be lively, energetic, and luxurious, with a sense of excitement and celebration. The theme seems to revolve around wealth, success, and possibly a carefree lifestyle, given the title 'Champagne Train' and the presence of money flying around. The overall emotion exuded is one of joy and revelry.

Environment: The setting of the video seems to be a futuristic or modern cityscape, likely at night or during a vibrant evening. The presence of sleek, high-rise buildings and a road stretching into the distance suggests a metropolitan environment. The cityscape is blurred slightly, with a focus on the two main figures, suggesting that the video might feature a blend of urban exploration and high-end lifestyle.