Mood: The mood of the video appears to be light-hearted and romantic, with a playful tone. The theme seems to revolve around love, relationships, and possibly friendship, given the presence of three main characters. The overall emotion evoked is one of joy and carefree-ness, suggesting a fun and entertaining video.

Environment: The setting of the video seems to be a blend of urban and mountainous landscapes. The background showcases iconic landmarks such as the Big Ben clock tower, suggesting a London setting, while the mountains and trees in the background indicate a shift to a hilly or mountainous region, possibly in India. The juxtaposition of these locations implies that the video may feature travel, exploration, or a mix of city and nature settings.