Mood: The mood of the video appears to be romantic and serene, with a sense of adventure and exploration. The theme seems to revolve around love and travel, as hinted by the tagline 'Climb every mountain'. The overall emotion conveyed is one of joy, freedom, and togetherness.

Environment: The setting of the video appears to be a scenic outdoor location, possibly in the mountains or hills, given the lush greenery and cloudy sky in the background. The presence of trees and a mountainous landscape suggests that the video may have been filmed in a place like Kalimpong, as mentioned in the tagline 'A Love in Kalimpong'.