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漂浮，有的则将头和脖子伸入水中觅食。水面上波光粼粼，反射出天鹅们的身影，营造出一种宁静而和谐的氛围。背景中的绿色水域与白色的天鹅形成了鲜明的对比，使得画面显得格外生动和美丽。
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 water is calm with gentle ripples, and the swans are scattered across the frame, creating a serene and peaceful scene. The overall atmosphere is tranquil, with the swans gracefully moving 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, a few swans gradually lift their heads out of the water. After a brief moment, these swans lower their heads back into the water to continue foraging.