Zhuhai Jiuzhou Poly Tianhe Jinghu
Humans evolved from the sea, live on the land, and can swim in the bosom of the sea. When we see birds flying high in the sky, we can't help asking: does human life stop between land and sea? Five hundred years ago, leonardo Da Vinci wrote the Manuscript of The Flight of Birds. He was the first person to design an aircraft in theoretical form, and it was also a great attempt to touch the sky.
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