A wall or barrier that is natural is called a cliff or a rock formation, while an artificial wall or barrier is often referred to as a fence or an enclosure.
distacore
A Dam
himilayan mountains
Lake Qinghai
A wall used to prevent flooding that is not a dam is a dike.
Lake Qinghai
The natural barrier that protected Egypt in the south is cataracts.
The natural barrier that protected Egypt in the south is cataracts.
The natural barrier that protected Egypt in the south is cataracts.
The Great Wall of China served as a natural protection for northern China, as it acted as a barrier against invading forces. Additionally, the Gobi Desert to the north provided a natural obstacle that deterred potential invaders.
The Himalayan mountain range forms a natural barrier between China and Mongolia.