Especially famous is the wall built between 220206 BC by the first Emperor of China, Qin Shi Huang.
Little of that wall remains.
Since then, the Great Wall has on and off been rebuilt, maintained and fortified.
The Wall extends 5 kilometers north of Shanhai Pass where it juts into the sea.
Laolongtou was built in 1579 in the Ming Dynasty.
What stands today is a 1980s effort by the authorities to replicate the original.
Among them, Chenghai Tower is the most celebrated structure.
Chenghai Tower is a two-storey building built with wood and bricks, which functioned as a defensive arrow tower.
There are also poems by famous literary figures inscribed on the tablets embedded on the walls.
