Walking Around the world

China is a contry that have a very wide area. Many cultural and interesting things that we encounter in this country. One very interesting thing for us is to watch and visit the Great Wall of China. Great Wall is the longest structure ever built by humans. Great Wall of China has approximately 6400 kilometers long (from Sanhai Pass area on the east to Lop Nur in the west) and 8 meters high in order to prevent the invasion of North Mongoldari nation at that time. The width of the top 5 m, while the bottom width of 8 m. 180-270 m every kind of watchtower built. High watchtower was 11-12 m. however, the government mapping study for two years found that the wall is 8850 km in length. In fact, the length of the wall is usually referred to around 5,000 km. Previous estimates, based on the length of historical record.

To make this giant wall takes hundreds of years. To make this giant wall, it could take hundreds of years at the time of the emperor. Initially, it is estimated Qin Shi-huang who started building the wall, but according to the research literature, history and records, the wall has been built up before the Qin Dynasty, built exactly the first time in the Age of Warring States.Emperor Qin Shi-huang continue development and strengthening the walls that had been built earlier.

After the death of Qin Shi-huang, making this wall had stopped and only resumed in the Sui Dynasty, the last resumed again at the time of the Ming Dynasty. Great Wall forms we now see is the result of development of the Sun earlier era. The inside walls of soil mixed with bricks and rocks. The top is made the main road for China cavalry.

Great wall of China is a site that should be on guard its sustainability. Not only because it has the beauty and splendor, but also because it is a relic that reminds that human beings are able to make something amazing if you have a strong will.