While the latest construction occurred after 1368 during the Ming Dynasty, construction of the Great Wall began over 2, 000 years ago.

长城的建造始于2000年前，止于1368年的明朝时期。

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Made of rammed earth and rubble, these fortifications became the basis for the Great Wall, most of which would be rebuilt in stone and brick during the 15th century A.D. under the Ming dynasty.

这些由夯土和瓦砾修筑的堡垒成了长城的基础。长城中的大部分用砖石砌成，在十五世纪的时候由明朝修建。

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Thee last massive rebuilding of the Great Wall was in Ming Dynasty.

长城的最后一次大规模重建是在明朝。 。

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