Why the Great Wall China was Built?

It ran the century II AC. and in China the fights among the different dynasties were come happening if truce for already a hundred years.

The prince Shih Huang. You, once transformed into emperor, it understood that a great wall would not only serve as defense system, but also as symbol of the political and territorial drive that intended to consolidate.

It counts the history that wanted to undertake a colossal work, although never the dimensions that it ended up having: 6400 kilometers of length, of those that today stays 3460, from the Yellow sea until the north of Beijing, on or about the distance that separates Buenos Aires of Ushuaia.

The construction that ended later eighteen centuries, began and although it didn't mean a very military good defense, the Mongolian ones took possession of China in the XIII century, it was able to transform into a drive symbol thanks to the effort that they made millions of men during 1800 years.

It extends in serpentine form throughout mountains, valleys, deserts and ravines and it was carried out respecting the geographical accidents of the land with the characteristic materials of each place: stone, sand, earth and wood.

The wall is not only the most extensive construction in the world but the human only work that you leave from the moon. The astronauts confirmed this way it Neil Amstrong and Edwin Aldrin, in the year 1969.