I. GREAT WALL OF CHINA.
The biggest man made structure ever built, is the Great Wall Of China. The Great Wall Of China is a wall that was built during the Chin dynasty. The Emperor during the Qin dynasty, Qin Shihuangdi, gave the order to build the wall. Parts of the enormous structure date back to the 4th century BC., but the earliest major work on the wall came during the Ch'in Dynasty, which lasted from 221 to 206 BC. The Great Wall Of China stretches about 1,500 miles (2,400 kilometers) from Bo Hai, a gulf off the Yellow Sea in the east, to a point deep in Gansu province in the west. The wall was origanally 6,000 miles ,but because of erosion and thievery the wall's length has shortened down to 1,500 miles.
In about 214 BC, the emperor Shih Huang Ti ordered the different parts of the wall to be connected.
English: The Great Wall of China, near Beijing in ...
English: Great Wall of China near Jinshanling Pols...
English: Great Wall, ChinaThe emperor Shi Huang united the different parts of China into one country and ordered the existing sections of the wall to be connected to form one long wall as a protection against invading nomads, or wandering tribes, from the north. The nomads he was especially concerned about were the Hsiung-nu, sometimes thought to be forebears of the Huns. One reason the Great Wall was built was to keep Chinese farmers from leaving their farms,and the second reason was for protection. The wall helped in wars because it provided square stone windows ,which let the soldiers in the wall, fire there weapons at invaders. But sometimes the wall didn't help ,because invaders went around it,or over it.
The wall is simple in structure. It is built of dirt, stone, and brick. Its height ranges from 15 to 30 feet (5 to 9 meters), with watchtowers rising...