Mood: The mood of the video appears to be romantic and sentimental, with a sense of longing and nostalgia. The theme seems to revolve around love, separation, and reunion. The overall emotion evoked is melancholic yet hopeful.

Environment: The setting of the video seems to be a mix of outdoor and indoor locations, possibly in a hilly or mountainous region, given the background of mountains and a lantern. The environment appears to be serene and natural, with a focus on capturing intimate moments between the lead actors.