The video is a clip from the animated movie How to Train Your Dragon. It shows a group of Vikings riding on dragons in the sky. The dragons are of different colors and sizes, and the Vikings are wearing helmets and armor. The sky is clear and blue, and there are no clouds visible. The dragons are flying in a formation, with some dragons flying higher than others. The Vikings are holding onto the dragons' necks and appear to be enjoying the ride. The dragons are moving smoothly through the air, with their wings flapping gently. The Vikings are smiling and looking around, taking in the view. The animation is colorful and detailed, with the dragons and Vikings rendered in a realistic style.