china great jeans seven wall::The structure was mainly built in 1570 of ming dynasty china great jeans seven wall

china great jeans seven wall::The structure was mainly built in 1570 of ming dynasty.
The 20kilometerlong structure, although a bit smaller and narrower compared to badaling and mutianyu features complicated and well preserved fortifications systems and fantastic natural scenery.
On the top, slab pavements were 4 meters wide with 2 meterhigh parapets on each side.
On the upper part of the duokou were large openings used to watch and shoot at attackers, and on the lower part were small openings or loopholes, through which defenders could also shoot.
The ground floor was used for living, storing food and weapons and the top floor was used for defense.
The watchtowers were in different shapes, some square, some oval and others in strange shapes.
Their roofs are flat, sloped, thatched, or even octagonal.
Pufang simply structured huts were built to provide shelter for the guards during storms.
Inside watchtowers, anfractuous walls and passages also reveal the wisdom and tenacity of ancient chinese.