不可思议英语作文

The Great Wall长城The Great Wall of China is considered to be the only man-made project visible from the moon.Although it was once thought to have been built entirely during the Qin Dynasty between 221 and 208 BC, it is now believed to have been started earlier.中国的长城被视为惟一能从月球上看到的人造工程.人们曾认为长城全部修建于公元前22l到208年的秦朝,但现在人们相信长城的修建要开始得更早.The 15-foot-high, 25-foot-wide, 1,500-mile-long structure was undoubtedly built to keep out invading enemies.To the common people of the empire, who had been forced to build the wall, it was not worth it, however.The wall, and other public works completed by the Qin Dynasty,had caused great losses of wealth and human life in the country.As a result,an angry population rose up in rebellion against the Qin Dynasty,and in 207 BC the Han Dynasty began.