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صور مذهلة: ظاهرة تكاثر ذباب مايو

Keep going معلومات ثقافية 10 أكتوبر 2013

ظاهرة تكاثر ذباب مايو (mayflies) الشبيه باليعسوب يرسم مشهداً طبيعيا رائعآ على نهر تيسا في المجر. يتكرر هذا المشهد كل عام في نهاية الر...

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