Great Wall of China

 heavily used in many areas of the wall, as were
Within a long time we had a thought to set up amaterials such as tiles, lime, and stone. The size
website that could introduce the Great Wall ofand weight of the bricks made them easier to
China to all over the world, which writingswork with than earth and stone, so construction
appearing in sources online and offline are oftenquickened. Additionally, bricks could bear more
oversimple and centered generally on titlesweight and endure better than rammed earth.
granted to the world's longest construction, andStone can hold under its own weight better than
on travel information whose browsers might notbrick, but is more difficult to use. Consequently,
know that the Great Wall is gasping under thestones cut in rectangular shapes were used for
burden of tourism.the foundation, inner and outer brims, and
The Great Wall is one of the largest buildinggateways of the wall. Battlements line the
construction projects ever completed. Ituppermost portion of the vast majority of the
stretches across the mountains of northern China,wall, with defensive gaps a little over 30 cm (one
winding north and northwest of Beijing. It isfoot) tall, and about 23 cm (9 inches) wide.
constructed of masonry, rocks and packed-earth.Construction
It was over 5,000 km (=10,000 Li) long. ItsThe mystery of the construction of the wall is
thickness ranged from about 4.5 to 9 meters (15amazing. The construction of the Great Wall, drew
to 30 feet) and was up to 7.5 meters (25 feet)heavily on the local resources for construction
tall.materials, was carried out in line with the local
The wall was originally built of stone, wood, grassconditions under the management of contract and
and earth. In the Ming Dynasty bricks wereresponsibility system. A great army of
produced in kilns set up along the wall. The bricksmanpower, composed of soldiers, prisoners, and
were transported by men carrying them on theirlocal people, built the wall. The construction result
backs, donkeys, mules and even goats had ademonstrates the manifestation of the wisdom
brick tied to their head before being driven up aand tenacity of the Chinese people.
mountain.The Great Wall was renovated from time to time
Historyafter the Qin Dynasty. A major renovation
The Chinese were already familiar with thestarted with the founding of the Ming Dynasty in
techniques of wall-building by the time of the1368, and took 200 years to complete. The wall
Spring and Autumn Period, which began aroundwe see today is almost exactly the result of this
the 7th century BC. During the Warring Stateseffort. With a total length of over 6,000
Period from the 5th century BC to 221 BC, thekilometers, it extends to the jiayu Pass in Gansu
states of Qi, Yan and Zhao all constructedProvince in the west and to the mouth of the
extensive fortifications to defend their ownYalu River in Liaoning Province in the east. What
borders. Built to withstand the attack of smalllies north of Beijing is but a small section of it.
arms such as swords and spears, these wallsMuch of the Wall is now in ruins but some parts
were made mostly by stamping earth and gravelof the the Great Wall of China have been
between board frames. Qin Shi Huang conqueredrepaired and are popular tourist attractions.
all opposing states and unified China in 221 BC,Thousands and thousands of people visit each
establishing the Qin Dynasty.year.
During the Ming Dynasty, however, bricks were