Wall is the term with which a kind of wall is defined which is built for defense purposes since its main objective is to protect the some geographical area behind them, from military attacks, this structure is comparable to a wall, however it has greater resistance and height, not to mention its thickness, which allows it to resist any type of attack. In ancient times the walls were used frequently, since in times before the present, it was very common that the use of troops was used to carry out an outpost.
The walls used to be used to enclose a certain region and also to set boundaries between different territories, that is to say to establish a border, these constructions were generally made from large rocks and bricks, due to their great resistance. Its purpose was nothing more than to avoid the passage to said areaUnless an ally left, for this reason it had small spaces through which large doors were made as resistant as said wall. In it, you could also find lookouts to put greater resistance to attacks and also in case the enemy tried to climb it, not to mention that from there you could see the enemies from a long distance, which allowed the soldiers to could prepare for battle.
Undoubtedly it was during the Middle Ages that the use of the walls had a considerable increase, since they were in charge of surrounding the castles, in order to provide protection to them, since it was in them where the members of royalty and high society used to live.
When talking about a wall, it is inevitable to talk about the majestic Chinese Wall, it was built in the 5th century BC, it was named by UNESCO as a World Heritage Site, it was built in order to protect the northern region of the Chinese Empire, according to the experts along it were stationed more than 1 million soldiers, with an extension that exceeds 8 thousand kilometers and its height on average is 6 meters.
