Grand Canyon Arizona
One of the famous tourist attractions in the United States is the Grand Canyon. Grand Canyon even become one of the seven wonders of the world. Grand Canyon located in the northern Arizona, USA. Grand Canyon itself is a very beautiful canyon formed by erosion by the Colorado River. Sights can be seen as a steep cliff with a river underneath, landscape rocks result of natural processes over millions of years. Therefore, the Grand Canyon is often used as a study to determine the state of the earth millions of years ago look of the layers formed.
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