The Grand Canyon
is a very deep canyon in US of Arizona.
It is 446km long.
In some places it is about 29 km wide and it can be as deep as 1,800 metres.
The Grand
Canyon was formed of Colorado River about 17 million years ago. Much of the
rock is formed of lava.
About five million
peoples visit the Grand Canyon every year. Visitors can go hiking or rafting
and take a helicopter tour.
There are about 2,000 different species of plants in
the Grand Canyon. We can see coyotes, deer, jackrabbits, rodents and many
species of birds and reptiles.
The first
Europeans to see the Grand Canyon were Spanish.
Native
Americans inhabited the Grand Canyon many years ago. They built
settlements in the Canyon and in its many caves.
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