Mood: The mood of the video is likely to be celebratory, grateful, and joyful, as indicated by the text 'THANKS FOR ALL THE LOVE'. The theme appears to be a milestone achievement or a success celebration, possibly related to social media or music.

Environment: The environment or setting of the video is likely to be a digital or virtual space, given the presence of the Facebook logo and the reference to a large community of 3 million. The video may be set in a modern, urban context with a focus on technology and social media.