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Wayne Cheng: 小雨燕 House Swift - IMG_2747
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Wayne Cheng: 小剪尾 Little Forktail - IMG_2750
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Wayne Cheng: 小剪尾 Little Forktail - IMG_2754
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Wayne Cheng: 小剪尾 Little Forktail - IMG_2758
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Wayne Cheng: 小雨燕 House Swift - IMG_2768
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Wayne Cheng: IMG_2776
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Wayne Cheng: IMG_2780
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Wayne Cheng: 小雨燕 House Swift - IMG_2792
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Wayne Cheng: 灰喉針尾雨燕 Silver-backed Needletail - IMG_2796
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Wayne Cheng: 灰喉針尾雨燕 Silver-backed Needletail - IMG_2797