If I'm not mistaken, lava didn't really shape the Grand Canyon, the Colarado River did. It slowly eroded the rock until it is the massive canyon we know today.
the shape and size of it
erosion
because it shape the rocks because the rocks were originally sand
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
The grand canyon is grand
Some people think its fascinating because of its shape size or color.
Le Grand Canyon.
The Grand Canyon is in Arizona.