Age of the Grand Canyon is about 5-6 million years. With this age, in the Grand Canyon, you can find traces of the four (!) Geological eras of the Earth.
In 1979, the canyon was added to the UNESCO World Heritage List. Its length is 450 km. Each year, the canyon is visited by more than 4 million people.
The Grand Canyon is one of the most popular tourist places in the US, like the Statue of Liberty and Times Square. The great canyon is one of the great phenomena of nature, which people can enjoy.
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