How is the "Great Wall" built in foreign countries, and what is the effect?

How is the "Great Wall" built in foreign countries, and what is the effect?
For the ancient empires of the world, the reason for building the Great Wall was actually the same-to defend against the enemy.

but it's not certain who the enemy is and what the situation is. For example, the Great Wall of China is to deal with the strong enemies of the north, and the broad long wall of Vietnam is also against the strong enemies of the north, but relative to the north of the south of Vietnam, China is a nomadic power in nature, and Vietnam is a powerful regime against the north. Equivalent to a special line of defense, the Hadrian Great Wall of Rome deals with the same target as China, but also against the southwest tribes of Scotland.

Look no further than white cocktail attire female and feel your extremely best. Our huge collections of are better than the rest.