The video shows a person's hand using a tool to apply adhesive to the back of a mirror. The mirror is then carefully placed onto a wall, creating a mosaic pattern. The person's hand is visible in the frame, and the mirror pieces are of various shapes and sizes. The adhesive is applied in a precise manner, and the mirrors are arranged in a specific pattern to create the desired effect. The video is shot in a well-lit room, and the focus is on the person's hand and the mirrors.