A white swan likely a mute swan cygnus olor is depicted with its head turned slightly its elongated neck and smooth white plumage 免版税图库摄影 a white swan likely a mute swan cygnus olor is depicted with its head turned slightly its elongated neck and smooth white plumage
两只天鹅，一只黑色，一只白色，在塞尔维亚贝尔格莱德泽穆恩的杜瑙河上，它们有着弯曲的脖子和橙色的喙，其中一只展开了翅膀 免版税库存照片 两只天鹅，一只黑色，一只白色，在塞尔维亚贝尔格莱德泽穆恩的杜瑙河上，它们有着弯曲的脖子和橙色的喙，其中一只展开了翅膀
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