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The Great Wall of China is so large that the men who landed on the moon could see it. It is the largest 1 _______ in the world.
It begins at Shanhaikun on the Yellow Sea and ends at Chaiyukan in the Gobi Desert. It is almost three thousand kilometers long. It is not only a wall, it has many thousands of 2 _______.
The Chinese people started building walls as early as 600 BC to keep out their enemies. However, it was the first emperor of China, Ch’in Shih Hwang-ti, who started the great Wall in about 214 BC. We get the word ‘China’ from his name.
Chinese workers built some of the Great Wall while Ch’in Shih Hwang-ti was emperor, bur most of it was 3 _______ much later, between 202 BC and 220 AD, and between 581 AD and 618 AD. After this time, no more work was done on the wall for hundreds of years, and much of it became broken. Then in the 15th century, the first of the Ming emperors started 4 _______ another wall near the first one. It is this wall that thousands of tourists visit every year.
wall
towers
built
building