Mood: The mood of the video appears to be light-hearted and playful, with a theme of youthful nostalgia and camaraderie. The title 'Back to College' suggests a return to a carefree and formative period in life. The three men in the image exude a sense of friendship and joy, with their body language conveying a relaxed and casual atmosphere.

Environment: The setting of the video seems to be a college or university campus, with a large, ornate building in the background that resembles a historical or architectural landmark. The presence of palm trees and a clock tower adds to the collegiate ambiance. The men are sitting on a brick wall, which could be a common spot for students to hang out or take in the views.