Because it is dependent on nature, it is a very slow process.
Erosion and weathering.
Because change is inevitable.
the grand canyon
a Grand Canyon is nothing but a big erosion.........
Copper Canyon (Spanish: Cañon del Cobre) is such landmark.
It is a Canyon as in the Grand Canyon.
Black canyon
It is in a constant state of change, but erosion is a slow and gradual process.
The grand canyon is grand
Le Grand Canyon.
The Grand Canyon is in Arizona.
No, the Grand Canyon is in Arizona.