The video shows a white sailboat with a single mast and a red flag on top, sailing on a calm body of water. The water is a deep blue color, and the sky is clear. In the background, there are large mountains with green vegetation at the base and rocky surfaces towards the top. The sailboat is the only object in the water, and there are no other boats or people visible. The video is taken from an aerial perspective, and the sailboat is moving slowly across the water.