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在苏格兰小镇格雷特纳格林上空,每年从晚秋到早春,你都可以欣赏到鸟儿们神奇的“空中芭蕾”表演。它们每年都会经过长途飞行,从俄罗斯或斯堪的纳维亚半岛来到格雷特
Over the Scottish town of Gretna Green, every year from late fall to early spring you can admire the magical “Air Ballet” performance of the birds. They travel long distances each year, coming from Russia or Scandinavia to Gret