参考翻译
After Emperor Qin Shi Huang united the separate states, he restored, linked up and extended the city walls built by the former states into huge military defensive works which started from the Liaodong Peninsula in the east and ended at Lintao in the west. This is the world-famous Great Wall. It is one of the important wonders of the world, consisting of hundreds of passes,fortresses, towers and walls. Beacon towers are built at certain intervals to give the alarm if enemies approach. The parts of the Great Wall situated at Badaling, Mutianyu and Simatai in Beijing were all constructed during the Ming Dynasty. Nowadays, the Great Wall attracts a great many tourists from home and abroad each year. It is an artistically extraordinary cultural relic and historic site as well as the crystalisation of Chinese people's great strength and wisdom.