3. Great Wall of China
location at present, can visit
.Great wall, brick wall, giant is a city wall and blocked the country throughout the country according to the industry in north of China. As Dan long wall is enormous. Find anywhere in the world to compare not again
is wide ranging 4.5 meters to 7.5 meters (feet), which 10 cavalry line arranged 8 easily height from the ground below, since 8 meters to 9 meters (20-30 feet thick 15-25. FT)
high enough to cannot climb over easily. The original length, believed to have 2 550 miles, (2400 kilometers) on the wall of every stage 200 meters (feet)
will 300 tower or fort to detect events. There are more than 15 fortress, built 000 of higher 3 meters. To 6 meters and a bell to signal the incident strikes, every tower
.The total is not less than 20 000 tower, began to build between 1996 300-329 (243-252 BC)
.In the reign of God. วังต. Take time to build about 10 years. And remodeling many again. Labor criteria from the whole country to count million, killing thousands, tens of thousands of
.As one kind of building in the world. That can be seen when looking at the moon. In those days, the structure is to prevent the enemy was excellent. At present, no meaning in the defense again
.Has the structure is one of the wonderful world!
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