这段视频展示了一群天鹅在绿色的水面上游动和觅食的场景。天鹅们有的在水面悠闲地游动，有的则将头和脖子伸入水中觅食，只露出白色的尾部。水面上波光粼粼，反射出天鹅们的身影，整个画面显得宁静而美丽。背景中的天鹅数量较多，分布均匀，营造出一种和谐自然的氛围。
The video shows a group of white swans swimming in a greenish body of water. Some of the swans have their heads submerged, likely feeding on something underwater. The swans are scattered across the water, with some facing different directions and others moving around. The scene is calm and serene, with the swans gracefully gliding through the water.
A group of swans is floating on a green lake, with some of them dipping their heads underwater to forage. As they continue to search for food, some swans begin to lift their heads out of the water. After a brief moment, these swans submerge their heads back into the water, resuming their foraging behavior.